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jcouv/CodeAnalysis-nullable-warnings.md

Created May 4, 2018 04:16
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CodeAnalysis-nullable-warnings.md

1>------ Build started: Project: CodeAnalysis, Configuration: Debug Any CPU ------ 1>Operations\Operation.cs(72,29,72,33): warning CS8612: Nullability of reference types in type doesn't match implicitly implemented member 'ITypeSymbol IOperation.Type'. 1>Syntax\InternalSyntax\SyntaxList.WithManyChildren.cs(79,41,79,48): warning CS8609: Nullability of reference types in return type doesn't match overridden member. 1>Syntax\InternalSyntax\SyntaxList.WithManyChildren.cs(89,42,89,51): warning CS8610: Nullability of reference types in type of parameter 'parent' doesn't match overridden member. 1>Syntax\InternalSyntax\SyntaxList.WithThreeChildren.cs(86,42,86,51): warning CS8610: Nullability of reference types in type of parameter 'parent' doesn't match overridden member. 1>Syntax\InternalSyntax\SyntaxList.WithTwoChildren.cs(76,42,76,51): warning CS8610: Nullability of reference types in type of parameter 'parent' doesn't match overridden member. 1>PEWriter\TypeNameSerializer.cs(24,43,24,79): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\TypeNameSerializer.cs(50,45,50,83): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\RootModuleType.cs(49,20,49,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledStringBuilder.cs(81,52,81,56): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledStringBuilder.cs(82,86,82,90): warning CS8604: Possible null reference argument for parameter 'pool' in 'PooledStringBuilder.PooledStringBuilder(ObjectPool pool)'. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledStopwatch.cs(27,48,27,52): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledStopwatch.cs(28,78,28,82): warning CS8604: Possible null reference argument for parameter 'pool' in 'PooledStopwatch.PooledStopwatch(ObjectPool pool)'. 1>PEWriter\RootModuleType.cs(232,24,232,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\RootModuleType.cs(240,24,240,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\RootModuleType.cs(248,24,248,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\RootModuleType.cs(267,20,267,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\RootModuleType.cs(274,24,274,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\RootModuleType.cs(282,24,282,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>AdditionalTextFile.cs(23,16,23,34): warning CS8618: Non-nullable field '_text' is uninitialized. 1>Binding\AbstractLookupSymbolsInfo.cs(229,19,229,44): warning CS8618: Non-nullable property 'FilterName' is uninitialized. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledHashSet.cs(31,49,31,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledHashSet.cs(32,80,32,84): warning CS8604: Possible null reference argument for parameter 'pool' in 'PooledHashSet.PooledHashSet(ObjectPool<PooledHashSet> pool)'. 1>PEWriter\ReturnValueParameter.cs(31,26,31,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ReturnValueParameter.cs(46,20,46,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Binding\AbstractLookupSymbolsInfo.cs(286,27,286,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Binding\AbstractLookupSymbolsInfo.cs(287,32,287,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledDictionary.cs(39,55,39,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\PooledDictionary.cs(40,92,40,96): warning CS8604: Possible null reference argument for parameter 'pool' in 'PooledDictionary<K, V>.PooledDictionary(ObjectPool<PooledDictionary<K, V>> pool)'. 1>Binding\AbstractLookupSymbolsInfo.cs(300,26,300,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CaseInsensitiveComparison.cs(287,24,287,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ObjectPool1.cs(109,18,109,28): warning CS8618: Non-nullable field '_firstItem' is uninitialized. 1>Binding\AbstractLookupSymbolsInfo.cs(146,46,146,50): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ObjectPool1.cs(137,85,137,89): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Binding\AbstractLookupSymbolsInfo.cs(188,31,188,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Binding\AbstractLookupSymbolsInfo.cs(193,31,193,132): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Binding\AbstractLookupSymbolsInfo.cs(194,36,194,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ObjectPool1.cs(166,81,166,85): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Binding\AbstractLookupSymbolsInfo.cs(221,46,221,79): warning CS8603: Possible null reference return. 1>Binding\AbstractLookupSymbolsInfo.cs(29,32,29,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ArrayBuilder.cs(47,16,47,28): warning CS8618: Non-nullable field '_pool' is uninitialized. 1>Binding\AbstractLookupSymbolsInfo.cs(40,49,40,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>NativePdbWriter\PdbWriter.cs(40,16,40,25): warning CS8618: Non-nullable field '_metadataWriter' is uninitialized. 1>NativePdbWriter\PdbWriter.cs(40,16,40,25): warning CS8618: Non-nullable field '_symWriter' is uninitialized. 1>NativePdbWriter\PdbWriter.cs(40,16,40,25): warning CS8618: Non-nullable field '_sequencePointsWriter' is uninitialized. 1>NativePdbWriter\SymWriterMetadataProvider.cs(18,18,18,43): warning CS8618: Non-nullable field '_lastTypeDefName' is uninitialized. 1>NativePdbWriter\SymWriterMetadataProvider.cs(18,18,18,43): warning CS8618: Non-nullable field '_lastTypeDefNamespace' is uninitialized. 1>NativePdbWriter\SymWriterMetadataProvider.cs(28,33,28,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>NativePdbWriter\SymWriterMetadataProvider.cs(29,28,29,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>NativePdbWriter\SymWriterMetadataProvider.cs(52,37,52,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeAnalysisResourcesLocalizableErrorArgument.cs(21,29,21,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeAnalysisResourcesLocalizableErrorArgument.cs(21,35,21,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(54,60,54,73): warning CS8604: Possible null reference argument for parameter 'baseDirectory' in 'string FileUtilities.GetBaseDirectory(string basePath, string baseDirectory)'. 1>FileSystem\FileUtilities.cs(79,70,79,83): warning CS8604: Possible null reference argument for parameter 'baseDirectory' in 'string FileUtilities.ResolveRelativePath(PathKind kind, string path, string basePath, string baseDirectory)'. 1>FileSystem\FileUtilities.cs(100,79,100,87): warning CS8604: Possible null reference argument for parameter 'basePath' in 'string FileUtilities.ResolveRelativePath(PathKind kind, string path, string basePath, string baseDirectory)'. 1>CodeGen\SynthesizedLocalOrdinalsDispenser.cs(27,28,27,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ArrayBuilder.cs(368,48,368,52): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ArrayBuilder.cs(369,78,369,82): warning CS8604: Possible null reference argument for parameter 'pool' in 'ArrayBuilder<T>.ArrayBuilder(ObjectPool<ArrayBuilder<T>> pool)'. 1>CodeGen\SynthesizedLocalOrdinalsDispenser.cs(12,27,12,60): warning CS8618: Non-nullable field '_lazyMap' is uninitialized. 1>FileSystem\FileUtilities.cs(108,28,108,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(114,32,114,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(124,32,124,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(142,32,142,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(160,32,160,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(165,32,165,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(174,28,174,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\ArrayElement.cs(32,24,32,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\ArrayElement.cs(48,24,48,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(201,24,201,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(212,24,212,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(218,24,218,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(224,24,224,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\FileUtilities.cs(274,24,274,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SwitchStringJumpTableEmitter.cs(171,44,171,48): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiaSymReader\Writer\SymUnmanagedWriterException.cs(17,16,17,43): warning CS8618: Non-nullable property 'ImplementationModuleName' is uninitialized. 1>DiaSymReader\Writer\SymUnmanagedWriterException.cs(21,16,21,43): warning CS8618: Non-nullable property 'ImplementationModuleName' is uninitialized. 1>DiaSymReader\Writer\SymUnmanagedWriterException.cs(25,16,25,43): warning CS8618: Non-nullable property 'ImplementationModuleName' is uninitialized. 1>Collections\SmallConcurrentSetOfInts.cs(30,16,30,40): warning CS8618: Non-nullable field '_next' is uninitialized. 1>Collections\SmallConcurrentSetOfInts.cs(35,17,35,41): warning CS8618: Non-nullable field '_next' is uninitialized. 1>Collections\BitVector.cs(196,42,196,125): warning CS8604: Possible null reference argument for parameter 'bits' in 'BitVector.BitVector(uint bits0, uint[] bits, int capacity)'. 1>C:\repos\roslyn\src\Dependencies\PooledObjects\ArrayBuilder.Enumerator.cs(45,28,45,40): warning CS8603: Possible null reference return. 1>CodeGen\SwitchIntegralJumpTableEmitter.cs(143,43,143,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SwitchIntegralJumpTableEmitter.cs(147,44,147,48): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\SmallConcurrentSetOfInts.cs(101,80,101,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\CachingFactory.cs(136,16,136,38): warning CS8618: Non-nullable field '_pool' is uninitialized. 1>Collections\OrderPreservingMultiDictionary.cs(27,17,27,47): warning CS8618: Non-nullable field '_dictionary' is uninitialized. 1>Collections\OrderPreservingMultiDictionary.cs(43,31,43,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\OrderPreservingMultiDictionary.cs(55,69,55,73): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\OrderPreservingMultiDictionary.cs(56,120,56,124): warning CS8604: Possible null reference argument for parameter 'pool' in 'OrderPreservingMultiDictionary<K, V>.OrderPreservingMultiDictionary(ObjectPool<OrderPreservingMultiDictionary<K, V>> pool)'. 1>Collections\CachingFactory.cs(194,69,194,73): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\CachingFactory.cs(196,84,196,88): warning CS8604: Possible null reference argument for parameter 'pool' in 'CachingIdentityFactory<TKey, TValue>.CachingIdentityFactory(int size, Func<TKey, TValue> valueFactory, ObjectPool<CachingIdentityFactory<TKey, TValue>> pool)'. 1>Collections\OrderPreservingMultiDictionary.cs(76,16,76,46): warning CS8618: Non-nullable field '_pool' is uninitialized. 1>Collections\OrderPreservingMultiDictionary.cs(76,16,76,46): warning CS8618: Non-nullable field '_dictionary' is uninitialized. 1>PEWriter\CustomDebugInfoWriter.cs(27,16,27,37): warning CS8618: Non-nullable field '_methodBodyWithModuleInfo' is uninitialized. 1>PEWriter\CustomDebugInfoWriter.cs(27,16,27,37): warning CS8618: Non-nullable field '_previousMethodBodyWithUsingInfo' is uninitialized. 1>PEWriter\CustomDebugInfoWriter.cs(50,39,50,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\CustomDebugInfoWriter.cs(58,31,58,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\ConcurrentCache.cs(41,24,41,27): warning CS8602: Possible dereference of a null reference. 1>Collections\ConcurrentCache.cs(45,56,45,65): warning CS8602: Possible dereference of a null reference. 1>Collections\ConcurrentCache.cs(56,24,56,27): warning CS8602: Possible dereference of a null reference. 1>Collections\ConcurrentCache.cs(60,56,60,65): warning CS8602: Possible dereference of a null reference. 1>Collections\OrderPreservingMultiDictionary.cs(164,26,164,31): warning CS8601: Possible null reference assignment. 1>FileSystem\PathUtilities.cs(147,20,147,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\DebugSourceDocument.cs(24,16,24,35): warning CS8618: Non-nullable field '_sourceInfo' is uninitialized. 1>FileSystem\PathUtilities.cs(181,24,181,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SwitchIntegralJumpTableEmitter.cs(416,38,416,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SwitchIntegralJumpTableEmitter.cs(431,38,431,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\CustomDebugInfoWriter.cs(143,39,143,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\CustomDebugInfoWriter.cs(174,20,174,27): warning CS8603: Possible null reference return. 1>Collections\OrderPreservingMultiDictionary.cs(291,47,291,54): warning CS8603: Possible null reference return. 1>Collections\EnumerableExtensions.cs(58,32,58,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>FileSystem\PathUtilities.cs(404,24,404,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\PathUtilities.cs(415,28,415,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\EnumerableExtensions.cs(116,24,116,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\EnumerableExtensions.cs(119,35,119,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\EnumerableExtensions.cs(129,28,129,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\EnumerableExtensions.cs(135,28,135,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\CachingDictionary.cs(51,16,51,33): warning CS8618: Non-nullable field '_map' is uninitialized. 1>CodeGen\SwitchIntegralJumpTableEmitter.SwitchBucket.cs(261,36,261,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\CachingDictionary.cs(154,81,154,85): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\CachingDictionary.cs(169,29,169,93): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\ExceptionHandlerRegion.cs(70,24,70,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\CachingDictionary.cs(253,77,253,81): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\SmallDictionary.cs(40,16,40,31): warning CS8618: Non-nullable field '_root' is uninitialized. 1>Serialization\ObjectReader.cs(92,24,92,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Serialization\ObjectReader.cs(98,24,98,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>NativePdbWriter\PdbWriter.cs(157,63,157,67): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>NativePdbWriter\PdbWriter.cs(185,64,185,89): warning CS8604: Possible null reference argument for parameter 'declaredExternAliasesOpt' in 'string PdbWriter.TryEncodeImport(UsedNamespaceOrType import, HashSet<string> declaredExternAliasesOpt, bool isProjectLevel)'. 1>NativePdbWriter\PdbWriter.cs(213,64,213,68): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Serialization\ObjectReader.cs(179,48,179,52): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>NativePdbWriter\PdbWriter.cs(252,32,252,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Serialization\ObjectReader.cs(318,20,318,76): warning CS8603: Possible null reference return. 1>NativePdbWriter\PdbWriter.cs(379,39,379,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\ImmutableArrayExtensions.cs(235,39,235,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>NativePdbWriter\PdbWriter.cs(588,28,588,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>NativePdbWriter\PdbWriter.cs(597,34,597,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>NativePdbWriter\PdbWriter.cs(606,17,606,25): warning CS8604: Possible null reference argument for parameter 'checksum' in 'int SymUnmanagedWriter.DefineDocument(string name, Guid language, Guid vendor, Guid type, Guid algorithmId, byte[] checksum, byte[] source)'. 1>NativePdbWriter\PdbWriter.cs(607,17,607,31): warning CS8604: Possible null reference argument for parameter 'source' in 'int SymUnmanagedWriter.DefineDocument(string name, Guid language, Guid vendor, Guid type, Guid algorithmId, byte[] checksum, byte[] source)'. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(311,29,311,71): warning CS8604: Possible null reference argument for parameter 'item' in 'void ArrayBuilder<string>.Add(string item)'. 1>NativePdbWriter\PdbWriter.cs(640,48,640,52): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\SmallDictionary.cs(255,41,255,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\SmallDictionary.cs(257,40,257,44): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\SmallDictionary.cs(271,40,271,57): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Collections\SmallDictionary.cs(299,52,299,69): warning CS8604: Possible null reference argument for parameter 'parent' in 'void SmallDictionary<K, V>.HandleInsert(AvlNode node, AvlNode parent, K key, V value, bool add)'. 1>Collections\SmallDictionary.cs(459,32,459,51): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(593,21,593,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(594,27,594,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(595,22,595,26): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(606,29,606,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(607,35,607,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(620,29,620,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(625,29,625,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(626,35,626,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(642,43,642,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(648,43,648,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(665,35,665,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(667,30,667,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(678,35,678,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(694,21,694,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(695,22,695,26): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(707,25,707,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(723,29,723,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(731,29,731,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(810,37,810,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(817,37,817,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(823,37,823,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(831,29,831,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(854,22,854,26): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoReader.cs(855,21,855,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(83,24,83,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(84,25,84,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(101,28,101,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(102,29,102,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(115,25,115,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(129,30,129,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(130,31,130,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(149,36,149,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(164,34,164,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'BaseDirectory' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'CompilationName' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'EmitOptions' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'OutputFileName' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'OutputRefFilePath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'PdbPath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'SourceLink' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'RuleSetPath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'OutputDirectory' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'DocumentationPath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'ErrorLogPath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'AppConfigPath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'Win32ResourceFile' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'Win32Icon' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'Win32Manifest' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'Encoding' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'TouchedFilesPath' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(298,18,298,38): warning CS8618: Non-nullable property 'PreferredUILang' is uninitialized. 1>CommandLine\CommonCommandLineArguments.cs(317,80,317,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineArguments.cs(317,106,317,110): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineParser.cs(232,30,232,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(233,31,233,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(234,34,234,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(242,34,242,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(252,37,252,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(253,38,253,42): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(254,30,254,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(255,34,255,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(260,74,260,78): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineParser.cs(269,20,269,27): warning CS8603: Possible null reference return. 1>CommandLine\CommonCommandLineParser.cs(278,37,278,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(279,38,279,42): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(280,34,280,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(281,34,281,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(296,20,296,31): warning CS8603: Possible null reference return. 1>CommandLine\CommonCommandLineArguments.cs(372,102,372,106): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineArguments.cs(423,116,423,133): warning CS8602: Possible dereference of a null reference. 1>CommandLine\CommonCommandLineArguments.cs(426,131,426,148): warning CS8602: Possible dereference of a null reference. 1>CommandLine\CommonCommandLineArguments.cs(429,116,429,133): warning CS8602: Possible dereference of a null reference. 1>CommandLine\CommonCommandLineParser.cs(423,30,423,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(424,28,424,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(425,26,425,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(426,26,426,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineArguments.cs(477,99,477,103): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineArguments.cs(477,35,477,188): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineArguments.cs(488,20,488,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineParser.cs(493,27,493,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(571,24,571,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(572,24,572,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(573,24,573,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(574,28,574,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(575,29,575,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(97,16,97,30): warning CS8618: Non-nullable field '_fileOpen' is uninitialized. 1>Compilation\Compilation.cs(62,18,62,29): warning CS8618: Non-nullable field '_lazyMakeWellKnownTypeMissingMap' is uninitialized. 1>Compilation\Compilation.cs(62,18,62,29): warning CS8618: Non-nullable field '_lazyMakeMemberMissingMap' is uninitialized. 1>Compilation\Compilation.cs(62,18,62,29): warning CS8618: Non-nullable field '_lazyTreeToUsedImportDirectivesMap' is uninitialized. 1>CommandLine\TouchedFileLogger.cs(67,17,67,21): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\TouchedFileLogger.cs(92,17,92,21): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(82,55,82,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(242,38,242,42): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(243,24,243,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(283,24,283,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineParser.cs(872,28,872,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineParser.cs(876,20,876,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(153,28,153,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCommandLineParser.cs(907,46,907,50): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(922,47,922,51): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCommandLineParser.cs(939,44,939,48): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(468,26,468,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(475,90,475,96): warning CS8604: Possible null reference argument for parameter 'errorLoggerOpt' in 'bool CommonCompiler.ReportErrors(IEnumerable<Diagnostic> diagnostics, TextWriter consoleOutput, ErrorLogger errorLoggerOpt)'. 1>CommandLine\CommonCompiler.cs(476,20,476,26): warning CS8603: Possible null reference return. 1>CommandLine\CommonCompiler.cs(485,45,485,49): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(506,47,506,58): warning CS8604: Possible null reference argument for parameter 'errorLogger' in 'int CommonCompiler.RunCore(TextWriter consoleOutput, ErrorLogger errorLogger, CancellationToken cancellationToken)'. 1>CommandLine\CommonCompiler.cs(514,65,514,76): warning CS8604: Possible null reference argument for parameter 'errorLoggerOpt' in 'bool CommonCompiler.ReportErrors(IEnumerable<DiagnosticInfo> diagnostics, TextWriter consoleOutput, ErrorLogger errorLoggerOpt)'. 1>Compilation\CommonModuleCompilationState.cs(44,124,44,128): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\CommonModuleCompilationState.cs(57,32,57,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\CommonModuleCompilationState.cs(29,20,29,42): warning CS8618: Non-nullable field '_lazyStateMachineTypes' is uninitialized. 1>CommandLine\CommonCompiler.cs(562,72,562,90): warning CS8604: Possible null reference argument for parameter 'touchedFilesLogger' in 'Compilation CommonCompiler.CreateCompilation(TextWriter consoleOutput, TouchedFileLogger touchedFilesLogger, ErrorLogger errorLoggerOpt)'. 1>CommandLine\CommonCompiler.cs(570,109,570,127): warning CS8604: Possible null reference argument for parameter 'touchedFilesLogger' in 'ImmutableArray<AdditionalTextFile> CommonCompiler.ResolveAdditionalFilesFromArguments(List<DiagnosticInfo> diagnostics, CommonMessageProvider messageProvider, TouchedFileLogger touchedFilesLogger)'. 1>CommandLine\CommonCompiler.cs(585,17,585,35): warning CS8604: Possible null reference argument for parameter 'touchedFilesLogger' in 'void CommonCompiler.CompileAndEmit(TouchedFileLogger touchedFilesLogger, ref Compilation compilation, ImmutableArray<DiagnosticAnalyzer> analyzers, ImmutableArray<AdditionalTextFile> additionalTextFiles, ImmutableArray<EmbeddedText> embeddedTexts, DiagnosticBag diagnostics, CancellationToken cancellationToken, out CancellationTokenSource analyzerCts, out bool reportAnalyzer, out AnalyzerDriver analyzerDriver)'. 1>Compilation\Compilation.cs(847,28,847,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(862,20,862,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\CompilationOptions.cs(289,34,289,92): warning CS8601: Possible null reference assignment. 1>Compilation\Compilation.cs(940,75,940,79): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1080,73,1080,77): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1159,118,1159,122): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1161,24,1161,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(1298,24,1298,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1310,24,1310,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1315,24,1315,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1320,24,1320,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1330,24,1330,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1341,24,1341,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1346,24,1346,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(645,27,645,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(647,30,647,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(656,58,656,62): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(689,65,689,69): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(729,38,729,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(730,39,730,74): warning CS8604: Possible null reference argument for parameter 'sourceLinkStream' in 'CommonPEModuleBuilder Compilation.CheckOptionsAndCreateModuleBuilder(DiagnosticBag diagnostics, IEnumerable<ResourceDescription> manifestResources, EmitOptions options, IMethodSymbol debugEntryPoint, Stream sourceLinkStream, IEnumerable<EmbeddedText> embeddedTexts, CompilationTestData testData, CancellationToken cancellationToken)'. 1>CommandLine\CommonCompiler.cs(732,31,732,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(747,40,747,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(754,74,754,78): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(788,41,788,69): warning CS8604: Possible null reference argument for parameter 'xmlDocumentationStream' in 'bool Compilation.GenerateResourcesAndDocumentationComments(CommonPEModuleBuilder moduleBeingBuilt, Stream xmlDocumentationStream, Stream win32ResourcesStream, string outputNameOverride, DiagnosticBag diagnostics, CancellationToken cancellationToken)'. 1>CommandLine\CommonCompiler.cs(804,65,804,69): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(808,51,808,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(847,29,847,51): warning CS8604: Possible null reference argument for parameter 'metadataPEStreamProvider' in 'bool Compilation.SerializeToPeStream(CommonPEModuleBuilder moduleBeingBuilt, EmitStreamProvider peStreamProvider, EmitStreamProvider metadataPEStreamProvider, EmitStreamProvider pdbStreamProvider, Func<ISymWriterMetadataProvider, SymUnmanagedWriter> testSymWriterFactory, DiagnosticBag diagnostics, bool metadataOnly, bool includePrivateMembers, bool emitTestCoverageData, string pePdbFilePath, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>CommandLine\CommonCompiler.cs(848,29,848,49): warning CS8604: Possible null reference argument for parameter 'pdbStreamProvider' in 'bool Compilation.SerializeToPeStream(CommonPEModuleBuilder moduleBeingBuilt, EmitStreamProvider peStreamProvider, EmitStreamProvider metadataPEStreamProvider, EmitStreamProvider pdbStreamProvider, Func<ISymWriterMetadataProvider, SymUnmanagedWriter> testSymWriterFactory, DiagnosticBag diagnostics, bool metadataOnly, bool includePrivateMembers, bool emitTestCoverageData, string pePdbFilePath, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>CommandLine\CommonCompiler.cs(849,51,849,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(933,35,933,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.cs(951,67,951,75): warning CS8604: Possible null reference argument for parameter 'filePath' in 'void CommonMessageProvider.ReportStreamWriteException(Exception e, string filePath, DiagnosticBag diagnostics)'. 1>Emit\NoPia\VtblGap.cs(22,20,22,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\VtblGap.cs(112,26,112,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\VtblGap.cs(132,26,132,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\VtblGap.cs(155,24,155,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\VtblGap.cs(216,26,216,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\VtblGap.cs(221,26,221,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1074,24,1074,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1789,114,1789,118): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1813,114,1813,118): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1117,20,1117,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1122,20,1124,152): warning CS8603: Possible null reference return. 1>Compilation\Compilation.cs(1908,42,1908,46): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1909,44,1909,48): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1910,43,1910,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1911,40,1911,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1912,35,1912,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1922,40,1922,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1955,17,1955,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1956,17,1956,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1957,17,1957,51): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1981,17,1981,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(1982,17,1982,51): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2009,35,2009,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1131,24,1131,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1137,24,1137,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1149,20,1149,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(110,28,110,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(126,24,126,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(149,30,149,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(154,30,154,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(159,24,159,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(164,30,164,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(169,24,169,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(174,30,174,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(179,30,179,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(184,24,184,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.cs(1206,69,1206,73): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedTypeParameter.cs(200,24,200,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2154,27,2154,31): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2205,36,2205,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2223,49,2223,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2243,25,2243,107): warning CS8604: Possible null reference argument for parameter 'metadataPEStreamProvider' in 'bool Compilation.SerializeToPeStream(CommonPEModuleBuilder moduleBeingBuilt, EmitStreamProvider peStreamProvider, EmitStreamProvider metadataPEStreamProvider, EmitStreamProvider pdbStreamProvider, Func<ISymWriterMetadataProvider, SymUnmanagedWriter> testSymWriterFactory, DiagnosticBag diagnostics, bool metadataOnly, bool includePrivateMembers, bool emitTestCoverageData, string pePdbFilePath, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>Compilation\Compilation.cs(2244,25,2244,93): warning CS8604: Possible null reference argument for parameter 'pdbStreamProvider' in 'bool Compilation.SerializeToPeStream(CommonPEModuleBuilder moduleBeingBuilt, EmitStreamProvider peStreamProvider, EmitStreamProvider metadataPEStreamProvider, EmitStreamProvider pdbStreamProvider, Func<ISymWriterMetadataProvider, SymUnmanagedWriter> testSymWriterFactory, DiagnosticBag diagnostics, bool metadataOnly, bool includePrivateMembers, bool emitTestCoverageData, string pePdbFilePath, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>Compilation\Compilation.cs(2328,125,2328,129): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.LoggingMetadataFileReferenceResolver.cs(50,65,50,110): warning CS8604: Possible null reference argument for parameter 'other' in 'bool LoggingMetadataFileReferenceResolver.Equals(LoggingMetadataFileReferenceResolver other)'. 1>Compilation\Compilation.cs(2377,24,2377,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2386,24,2386,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(160,56,160,110): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CommandLine\CommonCompiler.ExistingReferencesResolver.cs(38,39,38,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.ExistingReferencesResolver.cs(53,28,53,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.ExistingReferencesResolver.cs(63,28,63,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.ExistingReferencesResolver.cs(78,65,78,100): warning CS8604: Possible null reference argument for parameter 'other' in 'bool ExistingReferencesResolver.Equals(ExistingReferencesResolver other)'. 1>Compilation\Compilation.cs(2420,45,2420,49): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2421,41,2421,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2422,49,2422,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2423,36,2423,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2424,31,2424,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2437,33,2437,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2442,59,2442,72): warning CS8604: Possible null reference argument for parameter 'path' in 'string PathUtilities.GetFileName(string path, bool includeExtension = true)'. 1>Compilation\Compilation.cs(2468,21,2470,121): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2473,21,2475,114): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2484,25,2484,39): warning CS8604: Possible null reference argument for parameter 'getMetadataPeStreamOpt' in 'bool Compilation.SerializePeToStream(CommonPEModuleBuilder moduleBeingBuilt, DiagnosticBag metadataDiagnostics, CommonMessageProvider messageProvider, Func<Stream> getPeStream, Func<Stream> getMetadataPeStreamOpt, Func<Stream> getPortablePdbStreamOpt, PdbWriter nativePdbWriterOpt, string pdbPathOpt, bool metadataOnly, bool includePrivateMembers, bool isDeterministic, bool emitTestCoverageData, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>Compilation\Compilation.cs(2485,25,2485,45): warning CS8604: Possible null reference argument for parameter 'getPortablePdbStreamOpt' in 'bool Compilation.SerializePeToStream(CommonPEModuleBuilder moduleBeingBuilt, DiagnosticBag metadataDiagnostics, CommonMessageProvider messageProvider, Func<Stream> getPeStream, Func<Stream> getMetadataPeStreamOpt, Func<Stream> getPortablePdbStreamOpt, PdbWriter nativePdbWriterOpt, string pdbPathOpt, bool metadataOnly, bool includePrivateMembers, bool isDeterministic, bool emitTestCoverageData, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>Compilation\Compilation.cs(2486,25,2486,40): warning CS8604: Possible null reference argument for parameter 'nativePdbWriterOpt' in 'bool Compilation.SerializePeToStream(CommonPEModuleBuilder moduleBeingBuilt, DiagnosticBag metadataDiagnostics, CommonMessageProvider messageProvider, Func<Stream> getPeStream, Func<Stream> getMetadataPeStreamOpt, Func<Stream> getPortablePdbStreamOpt, PdbWriter nativePdbWriterOpt, string pdbPathOpt, bool metadataOnly, bool includePrivateMembers, bool isDeterministic, bool emitTestCoverageData, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>Compilation\Compilation.cs(2487,25,2487,38): warning CS8604: Possible null reference argument for parameter 'pdbPathOpt' in 'bool Compilation.SerializePeToStream(CommonPEModuleBuilder moduleBeingBuilt, DiagnosticBag metadataDiagnostics, CommonMessageProvider messageProvider, Func<Stream> getPeStream, Func<Stream> getMetadataPeStreamOpt, Func<Stream> getPortablePdbStreamOpt, PdbWriter nativePdbWriterOpt, string pdbPathOpt, bool metadataOnly, bool includePrivateMembers, bool isDeterministic, bool emitTestCoverageData, RSAParameters? privateKeyOpt, CancellationToken cancellationToken)'. 1>Compilation\Compilation.cs(2570,24,2570,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2586,31,2586,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2587,36,2587,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2588,37,2588,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2623,33,2623,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(2651,51,2651,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2673,55,2673,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2676,46,2676,50): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2677,41,2677,45): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2678,33,2678,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(587,28,587,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(595,28,595,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(603,28,603,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(622,24,622,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(629,28,629,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedType.cs(637,28,637,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2714,65,2714,69): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2729,25,2729,43): warning CS8604: Possible null reference argument for parameter 'nativePdbWriterOpt' in 'void MetadataWriter.WriteMetadataAndIL(PdbWriter nativePdbWriterOpt, Stream metadataStream, Stream ilStream, Stream portablePdbStreamOpt, out MetadataSizes metadataSizes)'. 1>Compilation\Compilation.cs(2732,25,2732,72): warning CS8604: Possible null reference argument for parameter 'portablePdbStreamOpt' in 'void MetadataWriter.WriteMetadataAndIL(PdbWriter nativePdbWriterOpt, Stream metadataStream, Stream ilStream, Stream portablePdbStreamOpt, out MetadataSizes metadataSizes)'. 1>Compilation\Compilation.cs(2739,28,2739,117): warning CS8603: Possible null reference return. 1>Compilation\Compilation.cs(2744,28,2744,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2749,28,2749,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2754,28,2754,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2762,20,2762,62): warning CS8603: Possible null reference return. 1>Emit\NoPia\CommonEmbeddedProperty.cs(104,30,104,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(2863,24,2863,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\Compilation.cs(3019,35,3019,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\Compilation.cs(3033,20,3033,32): warning CS8603: Possible null reference return. 1>Operations\OperationWalker.cs(25,19,25,28): warning CS8604: Possible null reference argument for parameter 'operation' in 'void OperationWalker.Visit(IOperation operation)'. 1>Operations\OperationVisitor.cs(540,20,540,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\OperationVisitor.cs(545,20,545,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(88,24,88,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(101,24,101,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(265,106,265,110): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(267,98,267,102): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(131,87,131,91): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(133,86,133,90): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(138,65,138,69): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMethod.cs(143,64,143,68): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedMember.cs(53,24,53,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.CompilerEmitStreamProvider.cs(24,22,24,48): warning CS8618: Non-nullable field '_streamToDispose' is uninitialized. 1>CommandLine\CommonCompiler.CompilerEmitStreamProvider.cs(46,46,46,50): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.CompilerEmitStreamProvider.cs(96,36,96,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CommandLine\CommonCompiler.CompilerEmitStreamProvider.cs(105,28,105,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\SmallDictionary.cs(125,41,125,45): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(424,19,424,34): warning CS8618: Non-nullable field '_privateImplementationDetails' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(424,19,424,34): warning CS8618: Non-nullable field '_lazyArrayMethods' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(424,19,424,34): warning CS8618: Non-nullable field '_namesOfTopLevelTypes' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(48,16,48,37): warning CS8618: Non-nullable field 'Win32Resources' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(48,16,48,37): warning CS8618: Non-nullable field 'Win32ResourceSection' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(48,16,48,37): warning CS8618: Non-nullable field 'SourceLinkStreamOpt' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(48,16,48,37): warning CS8618: Non-nullable field 'PEEntryPoint' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(48,16,48,37): warning CS8618: Non-nullable field 'DebugEntryPoint' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(48,16,48,37): warning CS8618: Non-nullable property 'TestData' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(460,36,460,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(194,20,194,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\NoPia\CommonEmbeddedField.cs(209,28,209,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(480,54,480,58): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\CommonPEModuleBuilder.cs(490,25,490,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\CommonPEModuleBuilder.cs(502,29,502,34): warning CS8604: Possible null reference argument for parameter 'names' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.AddTopLevelType(HashSet<string> names, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(503,31,503,43): warning CS8604: Possible null reference argument for parameter 'noPiaIndexer' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.VisitTopLevelType(NoPiaReferenceIndexer noPiaIndexer, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(508,33,508,38): warning CS8604: Possible null reference argument for parameter 'names' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.AddTopLevelType(HashSet<string> names, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(509,35,509,47): warning CS8604: Possible null reference argument for parameter 'noPiaIndexer' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.VisitTopLevelType(NoPiaReferenceIndexer noPiaIndexer, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(515,33,515,38): warning CS8604: Possible null reference argument for parameter 'names' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.AddTopLevelType(HashSet<string> names, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(516,35,516,47): warning CS8604: Possible null reference argument for parameter 'noPiaIndexer' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.VisitTopLevelType(NoPiaReferenceIndexer noPiaIndexer, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(523,33,523,38): warning CS8604: Possible null reference argument for parameter 'names' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.AddTopLevelType(HashSet<string> names, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(524,35,524,47): warning CS8604: Possible null reference argument for parameter 'noPiaIndexer' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.VisitTopLevelType(NoPiaReferenceIndexer noPiaIndexer, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(530,96,530,101): warning CS8604: Possible null reference argument for parameter 'namesOfTopLevelTypes' in 'ImmutableArray<INamespaceTypeDefinition> CommonEmbeddedTypesManager.GetTypes(DiagnosticBag diagnostics, HashSet<string> namesOfTopLevelTypes)'. 1>Emit\CommonPEModuleBuilder.cs(532,37,532,42): warning CS8604: Possible null reference argument for parameter 'names' in 'void PEModuleBuilder<TCompilation, TSourceModuleSymbol, TAssemblySymbol, TTypeSymbol, TNamedTypeSymbol, TMethodSymbol, TSyntaxNode, TEmbeddedTypesManager, TModuleCompilationState>.AddTopLevelType(HashSet<string> names, INamespaceTypeDefinition type)'. 1>Emit\CommonPEModuleBuilder.cs(237,20,237,92): warning CS8603: Possible null reference return. 1>Emit\CommonPEModuleBuilder.cs(676,117,676,121): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(690,71,690,75): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\CommonPEModuleBuilder.cs(700,24,700,40): warning CS8603: Possible null reference return. 1>Emit\CommonPEModuleBuilder.cs(619,30,619,52): warning CS8618: Non-nullable field 'NestedTypes' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(619,30,619,52): warning CS8618: Non-nullable field 'Methods' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(619,30,619,52): warning CS8618: Non-nullable field 'Properties' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(619,30,619,52): warning CS8618: Non-nullable field 'Fields' is uninitialized. 1>Emit\CommonPEModuleBuilder.cs(731,109,731,113): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(752,114,752,118): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(773,107,773,111): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(836,84,836,88): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\ConsList1.cs(78,21,78,25): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\CommonPEModuleBuilder.cs(868,92,868,96): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\ConsList1.cs(65,28,65,40): warning CS8603: Possible null reference return. 1>Emit\EditAndContinue\DefinitionMap.cs(163,24,163,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\DefinitionMap.cs(173,24,173,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\DefinitionMap.cs(177,77,177,81): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\DefinitionMap.cs(178,71,178,75): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\DefinitionMap.cs(179,78,179,82): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\DefinitionMap.cs(180,60,180,64): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\DefinitionMap.cs(184,46,184,50): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\DefinitionMap.cs(246,28,246,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\DefinitionMap.cs(285,36,285,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\DefinitionMap.cs(293,36,293,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\DefinitionMap.cs(312,32,312,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncHoistedLocalInfo.cs(19,20,19,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EmitBaseline.cs(196,17,196,21): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EmitBaseline.cs(198,30,198,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EmitBaseline.cs(199,32,199,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EmitBaseline.cs(217,35,217,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncLocalInfo.cs(25,25,25,29): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EmitBaseline.cs(300,17,300,29): warning CS8618: Non-nullable field 'LazyMetadataSymbols' is uninitialized. 1>Emit\EditAndContinue\DeltaMetadataWriter.cs(583,40,583,44): warning CS8604: Possible null reference argument for parameter 'def' in 'SymbolChange SymbolChanges.GetChange(IDefinition def)'. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(145,24,145,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(151,24,151,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(157,24,157,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(162,125,162,129): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(167,24,167,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(183,64,183,88): warning CS8603: Possible null reference return. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(242,41,242,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\EncVariableSlotAllocator.cs(265,47,265,89): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\ArrayMembers.cs(327,80,327,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ArrayMembers.cs(332,88,332,92): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ArrayMembers.cs(334,80,334,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ArrayMembers.cs(360,16,360,20): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\SymbolMatcher.cs(59,44,59,52): warning CS8604: Possible null reference argument for parameter 'reference' in 'IDefinition SymbolMatcher.MapDefinition(IDefinition reference)'. 1>Emit\ErrorType.cs(72,20,72,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(95,24,95,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(103,24,103,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(111,24,111,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(117,20,117,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(130,20,130,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(137,24,137,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(145,24,145,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(151,20,151,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(166,20,166,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(197,70,197,74): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\ErrorType.cs(216,24,216,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\SymbolChanges.cs(336,32,336,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EmitOptions.cs(213,27,213,45): warning CS8604: Possible null reference argument for parameter 'other' in 'bool EmitOptions.Equals(EmitOptions other)'. 1>Emit\EditAndContinue\DeltaMetadataWriter.cs(757,47,757,54): warning CS8602: Possible dereference of a null reference. 1>Emit\EditAndContinue\DeltaMetadataWriter.cs(786,101,786,107): warning CS8602: Possible dereference of a null reference. 1>Compilation\SemanticModel.cs(85,20,85,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Compilation\SemanticModel.cs(93,97,93,106): warning CS8604: Possible null reference argument for parameter 'operation' in 'IOperation SemanticModel.CloneOperationCore(IOperation operation)'. 1>Compilation\SubsystemVersion.cs(103,29,103,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Compilation\SymbolInfo.cs(70,20,70,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Emit\EditAndContinue\DeltaMetadataWriter.cs(1128,74,1128,88): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Emit\EditAndContinue\DeltaMetadataWriter.cs(1128,92,1128,105): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CryptographicHashProvider.cs(86,28,86,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CryptographicHashProvider.cs(126,28,126,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CvtRes.cs(19,20,19,28): warning CS8618: Non-nullable field 'pstringType' is uninitialized. 1>CvtRes.cs(19,20,19,28): warning CS8618: Non-nullable field 'pstringName' is uninitialized. 1>CvtRes.cs(19,20,19,28): warning CS8618: Non-nullable field 'data' is uninitialized. 1>CvtRes.cs(36,20,36,35): warning CS8618: Non-nullable field 'theString' is uninitialized. 1>ConstantValue.cs(438,69,438,73): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ConstantValue.cs(439,70,439,74): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ConstantValue.cs(775,32,775,52): warning CS8604: Possible null reference argument for parameter 'other' in 'bool ConstantValue.Equals(ConstantValue other)'. 1>ConstantValueSpecialized.cs(71,28,71,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(20,55,20,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(20,69,20,73): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(20,81,20,85): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(20,93,20,97): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(30,55,30,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(30,83,30,87): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(30,95,30,99): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(35,55,35,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(35,69,35,73): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(35,93,35,97): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(40,55,40,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(40,69,40,73): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(45,74,45,78): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisContextInfo.cs(50,55,50,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\OperationFactory.cs(51,63,51,67): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(64,39,64,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(74,37,74,41): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(97,38,97,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisResultBuilder.cs(26,139,26,143): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisResultBuilder.cs(27,137,27,141): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisResultBuilder.cs(28,110,28,114): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisResultBuilder.cs(32,41,32,116): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(140,124,140,128): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisResultBuilder.cs(62,60,62,64): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(157,24,157,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(172,28,172,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerAssemblyLoader.cs(191,20,191,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\OperationExtensions.cs(169,20,169,91): warning CS8603: Possible null reference return. 1>Operations\OperationExtensions.cs(184,20,184,91): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\AnalysisScope.cs(47,72,47,76): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\OperationExtensions.cs(199,20,199,91): warning CS8603: Possible null reference return. 1>Operations\OperationCloner.cs(13,29,13,33): warning CS8604: Possible null reference argument for parameter 'operation' in 'IOperation OperationVisitor<object, IOperation>.Visit(IOperation operation, object argument)'. 1>DiagnosticAnalyzer\AnalysisState.cs(70,44,70,48): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Desktop\DesktopAssemblyIdentityComparer.cs(252,34,252,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisValueProvider.cs(29,30,29,42): warning CS8618: Non-nullable property 'Value' is uninitialized. 1>DiagnosticAnalyzer\AnalysisState.cs(204,76,204,80): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.cs(223,87,223,91): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.cs(235,55,235,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.cs(252,83,252,102): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\AnalysisState.cs(260,55,260,74): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field 'analyzerExecutor' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field 'compilationData' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field 'analyzerActions' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_symbolActionsByKind' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_semanticModelActionsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_syntaxTreeActionsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_compilationActionsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_compilationEndActionsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_generatedCodeAnalysisFlagsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_lazyGeneratedCodeFilesMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_lazyGeneratedCodeSymbolsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_lazyTreesWithHiddenRegionsMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_generatedCodeAttribute' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_initializeTask' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable field '_primaryTask' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable property 'CompilationEventQueue' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(135,19,135,33): warning CS8618: Non-nullable property 'DiagnosticQueue' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(167,50,167,135): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(168,52,168,148): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(169,54,169,139): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\AnalysisState.cs(407,102,407,106): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(215,65,215,69): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(216,93,216,97): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(217,90,217,94): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(240,25,240,60): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(244,25,244,55): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(250,80,250,110): warning CS8604: Possible null reference argument for parameter 'addNonCategorizedDiagnosticOpt' in 'AnalyzerExecutor AnalyzerExecutor.Create(Compilation compilation, AnalyzerOptions analyzerOptions, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException, Func<Exception, bool> analyzerExceptionFilter, Func<DiagnosticAnalyzer, bool> isCompilerAnalyzer, AnalyzerManager analyzerManager, Func<DiagnosticAnalyzer, bool> shouldSkipAnalysisOnGeneratedCode, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, Func<SyntaxTree, TextSpan, bool> isGeneratedCodeLocation, Func<DiagnosticAnalyzer, object> getAnalyzerGate, bool logExecutionTime = false, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt = null, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt = null, CancellationToken cancellationToken = default(CancellationToken))'. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(252,59,252,91): warning CS8604: Possible null reference argument for parameter 'addCategorizedLocalDiagnosticOpt' in 'AnalyzerExecutor AnalyzerExecutor.Create(Compilation compilation, AnalyzerOptions analyzerOptions, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException, Func<Exception, bool> analyzerExceptionFilter, Func<DiagnosticAnalyzer, bool> isCompilerAnalyzer, AnalyzerManager analyzerManager, Func<DiagnosticAnalyzer, bool> shouldSkipAnalysisOnGeneratedCode, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, Func<SyntaxTree, TextSpan, bool> isGeneratedCodeLocation, Func<DiagnosticAnalyzer, object> getAnalyzerGate, bool logExecutionTime = false, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt = null, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt = null, CancellationToken cancellationToken = default(CancellationToken))'. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(252,93,252,128): warning CS8604: Possible null reference argument for parameter 'addCategorizedNonLocalDiagnosticOpt' in 'AnalyzerExecutor AnalyzerExecutor.Create(Compilation compilation, AnalyzerOptions analyzerOptions, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException, Func<Exception, bool> analyzerExceptionFilter, Func<DiagnosticAnalyzer, bool> isCompilerAnalyzer, AnalyzerManager analyzerManager, Func<DiagnosticAnalyzer, bool> shouldSkipAnalysisOnGeneratedCode, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, Func<SyntaxTree, TextSpan, bool> isGeneratedCodeLocation, Func<DiagnosticAnalyzer, object> getAnalyzerGate, bool logExecutionTime = false, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt = null, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt = null, CancellationToken cancellationToken = default(CancellationToken))'. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(268,20,268,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.cs(515,63,515,67): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.cs(527,30,527,43): warning CS8604: Possible null reference argument for parameter 'events' in 'void AnalysisState.Free(HashSet<CompilationEvent> events)'. 1>DiagnosticAnalyzer\AnalysisState.cs(551,55,551,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.cs(551,76,551,80): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.cs(586,22,586,35): warning CS8604: Possible null reference argument for parameter 'events' in 'void AnalysisState.Free(HashSet<CompilationEvent> events)'. 1>DiagnosticAnalyzer\AnalysisState.cs(587,22,587,34): warning CS8604: Possible null reference argument for parameter 'events' in 'void AnalysisState.Free(HashSet<CompilationEvent> events)'. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(380,101,380,105): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(501,48,501,52): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(502,120,502,130): warning CS8604: Possible null reference argument for parameter 'analyzerExceptionFilter' in 'AnalyzerDriver AnalyzerDriver.CreateAndAttachToCompilation(Compilation compilation, ImmutableArray<DiagnosticAnalyzer> analyzers, AnalyzerOptions options, AnalyzerManager analyzerManager, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException, Func<Exception, bool> analyzerExceptionFilter, bool reportAnalyzer, out Compilation newCompilation, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(129,42,129,46): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(130,43,130,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(143,42,143,46): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(144,43,144,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(96,36,96,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(102,36,102,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(109,36,109,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(68,31,68,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(74,31,74,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.SyntaxReferenceAnalyzerStateData.cs(81,31,81,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(24,98,24,102): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(690,76,690,80): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(115,25,115,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(143,29,143,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(151,33,151,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(202,29,202,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(210,33,210,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyNodeActionsByKind' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyOperationActionsByKind' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyCodeBlockStartActionsByAnalyzer' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyCodeBlockEndActionsByAnalyzer' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyCodeBlockActionsByAnalyzer' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyOperationBlockStartActionsByAnalyzer' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyOperationBlockActionsByAnalyzer' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1402,18,1402,32): warning CS8618: Non-nullable field '_lazyOperationBlockEndActionsByAnalyzer' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(788,60,788,64): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1442,100,1442,104): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(844,60,844,64): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(869,40,869,54): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(896,24,896,38): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(405,55,405,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalysisState.PerAnalyzerState.cs(434,56,434,60): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1483,105,1483,109): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(133,38,133,57): warning CS8604: Possible null reference argument for parameter 'onAnalyzerException' in 'AnalyzerExecutor.AnalyzerExecutor(Compilation? compilation, AnalyzerOptions? analyzerOptions, Action<Diagnostic>? addNonCategorizedDiagnosticOpt, Action<Exception, DiagnosticAnalyzer, Diagnostic> onAnalyzerException, Func<Exception, bool> analyzerExceptionFilter, Func<DiagnosticAnalyzer, bool>? isCompilerAnalyzer, AnalyzerManager analyzerManager, Func<DiagnosticAnalyzer, bool> shouldSkipAnalysisOnGeneratedCode, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, Func<SyntaxTree, TextSpan, bool> isGeneratedCodeLocation, Func<DiagnosticAnalyzer, object>? getAnalyzerGateOpt, ConcurrentDictionary<DiagnosticAnalyzer, StrongBox<long>>? analyzerExecutionTimeMapOpt, Action<Diagnostic, DiagnosticAnalyzer, bool>? addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer>? addCategorizedNonLocalDiagnosticOpt, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(134,42,134,46): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(190,45,190,57): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(191,53,191,69): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1546,109,1546,113): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(229,21,229,33): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalyzerCompilationStartAnalysisContext.AnalyzerCompilationStartAnalysisContext(DiagnosticAnalyzer analyzer, HostCompilationStartAnalysisScope scope, Compilation compilation, AnalyzerOptions options, CompilationAnalysisValueProviderFactory compilationAnalysisValueProviderFactory, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(229,35,229,51): warning CS8604: Possible null reference argument for parameter 'options' in 'AnalyzerCompilationStartAnalysisContext.AnalyzerCompilationStartAnalysisContext(DiagnosticAnalyzer analyzer, HostCompilationStartAnalysisScope scope, Compilation compilation, AnalyzerOptions options, CompilationAnalysisValueProviderFactory compilationAnalysisValueProviderFactory, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(235,45,235,57): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(260,50,260,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(291,25,291,37): warning CS8604: Possible null reference argument for parameter 'compilation' in 'CompilationAnalysisContext.CompilationAnalysisContext(Compilation compilation, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CompilationAnalysisValueProviderFactory compilationAnalysisValueProviderFactoryOpt, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(291,39,291,55): warning CS8604: Possible null reference argument for parameter 'options' in 'CompilationAnalysisContext.CompilationAnalysisContext(Compilation compilation, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CompilationAnalysisValueProviderFactory compilationAnalysisValueProviderFactoryOpt, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(298,49,298,61): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(328,50,328,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(378,73,378,85): warning CS8604: Possible null reference argument for parameter 'compilation' in 'SymbolAnalysisContext.SymbolAnalysisContext(ISymbol symbol, Compilation compilation, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(378,87,378,103): warning CS8604: Possible null reference argument for parameter 'options' in 'SymbolAnalysisContext.SymbolAnalysisContext(ISymbol symbol, Compilation compilation, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(385,53,385,65): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, ISymbol symbol)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(416,50,416,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(456,83,456,99): warning CS8604: Possible null reference argument for parameter 'options' in 'SemanticModelAnalysisContext.SemanticModelAnalysisContext(SemanticModel semanticModel, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(492,50,492,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(532,71,532,87): warning CS8604: Possible null reference argument for parameter 'options' in 'SyntaxTreeAnalysisContext.SyntaxTreeAnalysisContext(SyntaxTree tree, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, Compilation compilation, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(532,127,532,139): warning CS8604: Possible null reference argument for parameter 'compilation' in 'SyntaxTreeAnalysisContext.SyntaxTreeAnalysisContext(SyntaxTree tree, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, Compilation compilation, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(539,49,539,61): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, SyntaxTree tree)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(560,110,560,126): warning CS8604: Possible null reference argument for parameter 'options' in 'SyntaxNodeAnalysisContext.SyntaxNodeAnalysisContext(SyntaxNode node, ISymbol containingSymbol, SemanticModel semanticModel, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(567,45,567,57): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, SyntaxNode node)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(586,125,586,141): warning CS8604: Possible null reference argument for parameter 'options' in 'OperationAnalysisContext.OperationAnalysisContext(IOperation operation, ISymbol containingSymbol, Compilation compilation, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(591,45,591,57): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, IOperation operation)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(621,61,621,65): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(665,61,665,65): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1773,74,1773,78): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(47,16,47,37): warning CS8618: Non-nullable field '_lazyDisplay' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(47,16,47,37): warning CS8618: Non-nullable field '_lazyIdentity' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(47,16,47,37): warning CS8618: Non-nullable field '_lazyAssembly' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(757,94,757,110): warning CS8604: Possible null reference argument for parameter 'options' in 'AnalyzerCodeBlockStartAnalysisContext<TLanguageKindEnum>.AnalyzerCodeBlockStartAnalysisContext(DiagnosticAnalyzer analyzer, HostCodeBlockStartAnalysisScope<TLanguageKindEnum> scope, SyntaxNode codeBlock, ISymbol owningSymbol, SemanticModel semanticModel, AnalyzerOptions options, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(769,57,769,69): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, ISymbol symbol, SyntaxNode node)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(779,118,779,134): warning CS8604: Possible null reference argument for parameter 'options' in 'AnalyzerOperationBlockStartAnalysisContext.AnalyzerOperationBlockStartAnalysisContext(DiagnosticAnalyzer analyzer, HostOperationBlockStartAnalysisScope scope, ImmutableArray<IOperation> operationBlocks, ISymbol owningSymbol, Compilation compilation, AnalyzerOptions options, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(791,61,791,73): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, ISymbol symbol)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(815,185,815,262): warning CS8604: Possible null reference argument for parameter 'analyzerStateOpt' in 'void AnalyzerExecutor.ExecuteSyntaxNodeActions<TLanguageKindEnum>(IEnumerable<SyntaxNode> nodesToAnalyze, IDictionary<TLanguageKindEnum, ImmutableArray<SyntaxNodeAnalyzerAction<TLanguageKindEnum>>> nodeActionsByKind, DiagnosticAnalyzer analyzer, ISymbol containingSymbol, SemanticModel model, Func<SyntaxNode, TLanguageKindEnum> getKind, Action<Diagnostic> addDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, SyntaxNodeAnalyzerStateData analyzerStateOpt)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(821,169,821,245): warning CS8604: Possible null reference argument for parameter 'analyzerStateOpt' in 'void AnalyzerExecutor.ExecuteOperationActions(IEnumerable<IOperation> operationsToAnalyze, IDictionary<OperationKind, ImmutableArray<OperationAnalyzerAction>> operationActionsByKind, DiagnosticAnalyzer analyzer, ISymbol containingSymbol, SemanticModel model, Action<Diagnostic> addDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, OperationAnalyzerStateData analyzerStateOpt)'. 1>DiagnosticAnalyzer\AnalyzerDriver.cs(1976,60,1976,64): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(458,27,458,55): warning CS8604: Possible null reference argument for parameter 'other' in 'bool AnalyzerFileReference.Equals(AnalyzerReference other)'. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(252,22,252,32): warning CS8618: Non-nullable field '_lazyExtensionTypeNameMap' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(308,101,308,105): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(850,113,850,129): warning CS8604: Possible null reference argument for parameter 'options' in 'CodeBlockAnalysisContext.CodeBlockAnalysisContext(SyntaxNode codeBlock, ISymbol owningSymbol, SemanticModel semanticModel, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(856,53,856,65): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, ISymbol symbol, SyntaxNode node)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(863,137,863,153): warning CS8604: Possible null reference argument for parameter 'options' in 'OperationBlockAnalysisContext.OperationBlockAnalysisContext(ImmutableArray<IOperation> operationBlocks, ISymbol owningSymbol, Compilation compilation, AnalyzerOptions options, Action<Diagnostic> reportDiagnostic, Func<Diagnostic, bool> isSupportedDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(869,57,869,69): warning CS8604: Possible null reference argument for parameter 'compilation' in 'AnalysisContextInfo.AnalysisContextInfo(Compilation compilation, ISymbol symbol)'. 1>DiagnosticAnalyzer\AnalyzerFileReference.cs(437,36,437,80): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(929,61,929,65): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerReference.cs(33,26,33,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1069,59,1069,63): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1073,138,1073,154): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1075,139,1075,155): warning CS8604: Possible null reference argument for parameter 'analyzerStateOpt' in 'void AnalyzerExecutor.ExecuteOperationActionsCore(IEnumerable<IOperation> operationsToAnalyze, IDictionary<OperationKind, ImmutableArray<OperationAnalyzerAction>> operationActionsByKind, DiagnosticAnalyzer analyzer, ISymbol containingSymbol, SemanticModel model, TextSpan filterSpan, OperationAnalyzerStateData analyzerStateOpt, bool isGeneratedCode)'. 1>DiagnosticAnalyzer\AnalyzerManager.AnalyzerExecutionContext.cs(59,45,59,49): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AsyncQueue.cs(175,28,175,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerManager.AnalyzerExecutionContext.cs(87,49,87,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1180,27,1180,64): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AsyncQueue.cs(242,42,242,52): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerManager.AnalyzerExecutionContext.cs(135,21,142,22): warning CS8620: Nullability of reference types in argument of type 'Action<object>' doesn't match target type 'Action<object?>' for parameter 'analyze' in 'void AnalyzerExecutor.ExecuteAndCatchIfThrows<object?>(DiagnosticAnalyzer analyzer, Action<object?> analyze, object? argument, AnalysisContextInfo? info = null)'. 1>DiagnosticAnalyzer\AnalyzerManager.AnalyzerExecutionContext.cs(13,30,13,54): warning CS8618: Non-nullable field '_lazySessionScopeTask' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerManager.AnalyzerExecutionContext.cs(13,30,13,54): warning CS8618: Non-nullable field '_lazyCompilationScopeTask' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1203,41,1203,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1226,50,1226,78): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\AsyncQueue.cs(16,27,16,37): warning CS8618: Non-nullable field '_waiters' is uninitialized. 1>DiagnosticAnalyzer\CompilationAnalysisValueProviderFactory.cs(17,112,17,116): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationAnalysisValueProviderFactory.cs(30,20,30,75): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\CompilationAnalysisValueProviderFactory.cs(8,27,8,66): warning CS8618: Non-nullable field '_lazySharedStateProviderMap' is uninitialized. 1>DiagnosticAnalyzer\CompilationUnitCompletedEvent.cs(10,16,10,45): warning CS8618: Non-nullable field '_weakModel' is uninitialized. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1363,81,1363,100): warning CS8604: Possible null reference argument for parameter 'isCompilerAnalyzer' in 'bool AnalyzerManager.IsSupportedDiagnostic(DiagnosticAnalyzer analyzer, Diagnostic diagnostic, Func<DiagnosticAnalyzer, bool> isCompilerAnalyzer, AnalyzerExecutor analyzerExecutor)'. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(106,110,106,114): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(106,141,106,145): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1368,79,1368,91): warning CS8604: Possible null reference argument for parameter 'compilation' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(ISymbol contextSymbol, ImmutableArray<SyntaxReference> cachedDeclaringReferences, Compilation compilation, DiagnosticAnalyzer analyzer, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<ISymbol, SyntaxReference, Compilation, SyntaxNode> getTopMostNodeForAnalysis, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1368,103,1368,134): warning CS8604: Possible null reference argument for parameter 'addNonCategorizedDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(ISymbol contextSymbol, ImmutableArray<SyntaxReference> cachedDeclaringReferences, Compilation compilation, DiagnosticAnalyzer analyzer, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<ISymbol, SyntaxReference, Compilation, SyntaxNode> getTopMostNodeForAnalysis, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1369,18,1369,51): warning CS8604: Possible null reference argument for parameter 'addCategorizedLocalDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(ISymbol contextSymbol, ImmutableArray<SyntaxReference> cachedDeclaringReferences, Compilation compilation, DiagnosticAnalyzer analyzer, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<ISymbol, SyntaxReference, Compilation, SyntaxNode> getTopMostNodeForAnalysis, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1369,53,1369,89): warning CS8604: Possible null reference argument for parameter 'addCategorizedNonLocalDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(ISymbol contextSymbol, ImmutableArray<SyntaxReference> cachedDeclaringReferences, Compilation compilation, DiagnosticAnalyzer analyzer, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<ISymbol, SyntaxReference, Compilation, SyntaxNode> getTopMostNodeForAnalysis, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1425,82,1425,94): warning CS8604: Possible null reference argument for parameter 'arg3' in 'bool Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool>.Invoke(Diagnostic arg1, DiagnosticAnalyzer arg2, Compilation arg3, CancellationToken arg4)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1433,21,1433,52): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1443,49,1443,61): warning CS8604: Possible null reference argument for parameter 'compilation' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1444,17,1444,48): warning CS8604: Possible null reference argument for parameter 'addNonCategorizedDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1444,50,1444,83): warning CS8604: Possible null reference argument for parameter 'addCategorizedLocalDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1444,85,1444,121): warning CS8604: Possible null reference argument for parameter 'addCategorizedNonLocalDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1450,49,1450,61): warning CS8604: Possible null reference argument for parameter 'compilation' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1451,17,1451,48): warning CS8604: Possible null reference argument for parameter 'addNonCategorizedDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1451,50,1451,83): warning CS8604: Possible null reference argument for parameter 'addCategorizedLocalDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1451,85,1451,121): warning CS8604: Possible null reference argument for parameter 'addCategorizedNonLocalDiagnosticOpt' in 'Action<Diagnostic> AnalyzerExecutor.GetAddDiagnostic(SyntaxTree contextTree, TextSpan? span, Compilation compilation, DiagnosticAnalyzer analyzer, bool isSyntaxDiagnostic, Action<Diagnostic> addNonCategorizedDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer, bool> addCategorizedLocalDiagnosticOpt, Action<Diagnostic, DiagnosticAnalyzer> addCategorizedNonLocalDiagnosticOpt, Func<Diagnostic, DiagnosticAnalyzer, Compilation, CancellationToken, bool> shouldSuppressGeneratedCodeDiagnostic, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1561,32,1561,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1569,32,1569,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1577,32,1577,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1585,32,1585,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\AnalyzerExecutor.cs(1624,18,1624,46): warning CS8602: Possible dereference of a null reference. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(138,48,138,158): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(139,44,139,115): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(140,60,140,64): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(395,37,395,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(435,37,435,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzersOptions.cs(79,150,79,154): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilerDiagnosticAnalyzer.CompilationAnalyzer.cs(54,36,54,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(612,41,612,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(613,36,613,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(653,91,653,95): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(666,68,666,78): warning CS8604: Possible null reference argument for parameter 'eventQueue' in 'void CompilationWithAnalyzers.FreeEventQueue(AsyncQueue<CompilationEvent> eventQueue, ObjectPool<AsyncQueue<CompilationEvent>> eventQueuePool)'. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(696,56,696,67): warning CS8604: Possible null reference argument for parameter 'computeTask' in 'void CompilationWithAnalyzers.ClearExecutingTask(Task computeTask, SyntaxTree treeOpt)'. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(697,51,697,55): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(743,41,743,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\ILBuilder.cs(65,18,65,27): warning CS8618: Non-nullable field '_lastCompleteBlock' is uninitialized. 1>CodeGen\ILBuilder.cs(65,18,65,27): warning CS8618: Non-nullable field '_lastSeqPointTree' is uninitialized. 1>CodeGen\ILBuilder.cs(65,18,65,27): warning CS8618: Non-nullable field 'RealizedSequencePoints' is uninitialized. 1>CodeGen\ILBuilder.cs(65,18,65,27): warning CS8618: Non-nullable field 'SeqPointsOpt' is uninitialized. 1>CodeGen\ILBuilder.cs(65,18,65,27): warning CS8618: Non-nullable field '_allocatedILMarkers' is uninitialized. 1>CodeGen\ILBuilder.cs(138,33,138,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(192,33,192,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(193,38,193,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(222,37,222,41): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(228,39,228,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(369,24,369,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(377,42,377,46): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\ILBuilder.cs(412,20,412,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(922,78,922,82): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(932,80,932,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(954,80,954,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(1007,72,1007,76): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(504,52,504,56): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\ILBuilder.cs(564,52,564,56): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(1132,17,1132,24): warning CS8604: Possible null reference argument for parameter 'left' in 'bool CompilationOptions.operator ==(CompilationOptions left, CompilationOptions right)'. 1>DiagnosticAnalyzer\CompilationWithAnalyzers.cs(1132,28,1132,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(730,43,730,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SymbolDeclaredCompilationEvent.cs(17,16,17,46): warning CS8618: Non-nullable field '_lazySemanticModel' is uninitialized. 1>DiagnosticAnalyzer\SymbolDeclaredCompilationEvent.cs(17,16,17,46): warning CS8618: Non-nullable field '_semanticModel' is uninitialized. 1>DiagnosticAnalyzer\SymbolDeclaredCompilationEvent.cs(17,16,17,46): warning CS8618: Non-nullable field '_weakModel' is uninitialized. 1>DiagnosticAnalyzer\SymbolDeclaredCompilationEvent.cs(56,42,56,46): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SymbolDeclaredCompilationEvent.cs(76,38,76,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SymbolDeclaredCompilationEvent.cs(79,34,79,38): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\DiagnosticAnalysisContext.cs(503,83,503,87): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(74,18,74,47): warning CS8618: Non-nullable field '_lazyGlobalSuppressions' is uninitialized. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(74,18,74,47): warning CS8618: Non-nullable field '_lazySuppressMessageAttribute' is uninitialized. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(107,36,107,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(158,38,158,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(162,63,162,67): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(239,88,239,92): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(1251,73,1251,77): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ILBuilder.cs(1251,79,1251,83): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(295,38,295,95): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(298,61,298,72): warning CS8604: Possible null reference argument for parameter 'key' in 'bool SmallDictionary<string, TargetScope>.TryGetValue(string key, out TargetScope value)'. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.cs(356,23,356,78): warning CS8601: Possible null reference assignment. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(118,50,118,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(179,57,179,61): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(205,90,205,100): warning CS8604: Possible null reference argument for parameter 'parameters' in 'ISymbol TargetSymbolResolver.GetFirstMatchingIndexer(ImmutableArray<ISymbol> candidateMembers, ParameterInfo[] parameters)'. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(321,32,321,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(344,28,344,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(352,38,352,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(407,57,407,67): warning CS8604: Possible null reference argument for parameter 'typeSymbol' in 'ITypeSymbol TargetSymbolResolver.ParseArrayType(ITypeSymbol typeSymbol)'. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(418,79,418,89): warning CS8604: Possible null reference argument for parameter 'pointedAtType' in 'IPointerTypeSymbol Compilation.CreatePointerTypeSymbol(ITypeSymbol pointedAtType)'. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(425,44,425,54): warning CS8604: Possible null reference argument for parameter 'type' in 'TypeInfo TypeInfo.Create(ITypeSymbol type)'. 1>DiagnosticAnalyzer\DiagnosticAnalysisContext.cs(1028,31,1028,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(580,48,580,52): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(638,59,638,102): warning CS8620: Nullability of reference types in argument of type 'ITypeSymbol?[]' doesn't match target type 'ITypeSymbol[]' for parameter 'typeArguments' in 'INamedTypeSymbol INamedTypeSymbol.Construct(params ITypeSymbol[] typeArguments)'. 1>DiagnosticAnalyzer\DiagnosticAnalysisContext.cs(1112,25,1112,29): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(658,32,658,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(680,28,680,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(707,32,707,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(725,24,725,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\FullMetadataWriter.cs(51,39,51,82): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\FullMetadataWriter.cs(55,39,55,82): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\FullMetadataWriter.cs(59,39,59,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\FullMetadataWriter.cs(67,61,67,76): warning CS8604: Possible null reference argument for parameter 'debugBuilderOpt' in 'FullMetadataWriter.FullMetadataWriter(EmitContext context, MetadataBuilder builder, MetadataBuilder debugBuilderOpt, DynamicAnalysisDataWriter dynamicAnalysisDataWriterOpt, CommonMessageProvider messageProvider, bool metadataOnly, bool deterministic, bool emitTestCoverageData, CancellationToken cancellationToken)'. 1>PEWriter\FullMetadataWriter.cs(67,78,67,106): warning CS8604: Possible null reference argument for parameter 'dynamicAnalysisDataWriterOpt' in 'FullMetadataWriter.FullMetadataWriter(EmitContext context, MetadataBuilder builder, MetadataBuilder debugBuilderOpt, DynamicAnalysisDataWriter dynamicAnalysisDataWriterOpt, CommonMessageProvider messageProvider, bool metadataOnly, bool deterministic, bool emitTestCoverageData, CancellationToken cancellationToken)'. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(800,28,800,37): warning CS8603: Possible null reference return. 1>DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs(808,24,808,36): warning CS8603: Possible null reference return. 1>DiaSymReader\SymUnmanagedFactory.cs(94,24,94,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiaSymReader\SymUnmanagedFactory.cs(103,24,103,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiaSymReader\SymUnmanagedFactory.cs(112,31,112,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiaSymReader\SymUnmanagedFactory.cs(155,31,155,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiaSymReader\SymUnmanagedFactory.cs(156,29,156,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiaSymReader\SymUnmanagedFactory.cs(157,26,157,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiaSymReader\SymUnmanagedFactory.cs(200,28,200,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiaSymReader\SymUnmanagedFactory.cs(222,32,222,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiaSymReader\SymUnmanagedFactory.cs(226,20,226,28): warning CS8603: Possible null reference return. 1>CodeGen\LocalScopeManager.cs(745,50,745,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\FullMetadataWriter.cs(340,42,340,46): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\FullMetadataWriter.cs(358,42,358,46): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\LocalScopeManager.cs(555,20,555,41): warning CS8618: Non-nullable field '_lastFilterConditionBlock' is uninitialized. 1>CodeGen\LocalScopeManager.cs(555,20,555,41): warning CS8618: Non-nullable field '_blockedByFinallyDestination' is uninitialized. 1>CodeGen\LocalScopeManager.cs(588,48,588,52): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\SmallDictionary.cs(172,20,172,27): warning CS8618: Non-nullable field 'Left' is uninitialized. 1>Collections\SmallDictionary.cs(172,20,172,27): warning CS8618: Non-nullable field 'Right' is uninitialized. 1>CodeGen\CompilationTestData.cs(62,84,62,88): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\CompilationTestData.cs(14,27,14,46): warning CS8618: Non-nullable field 'Module' is uninitialized. 1>CodeGen\CompilationTestData.cs(14,27,14,46): warning CS8618: Non-nullable field 'SymWriterFactory' is uninitialized. 1>CodeGen\CompilationTestData.cs(14,27,14,46): warning CS8618: Non-nullable field '_lazyMethodsByName' is uninitialized. 1>PEWriter\InheritedTypeParameter.cs(83,24,83,51): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(91,24,91,55): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(99,24,99,64): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(107,24,107,61): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(129,20,129,52): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(136,24,136,55): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(142,20,142,49): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(149,24,149,52): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(157,24,157,63): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(165,24,165,54): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(173,24,173,53): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(179,20,179,43): warning CS8603: Possible null reference return. 1>PEWriter\InheritedTypeParameter.cs(184,20,184,39): warning CS8603: Possible null reference return. 1>CodeGen\LocalScopeManager.cs(308,24,308,38): warning CS8618: Non-nullable field '_localVariables' is uninitialized. 1>CodeGen\LocalScopeManager.cs(308,24,308,38): warning CS8618: Non-nullable field '_localConstants' is uninitialized. 1>CodeGen\LocalScopeManager.cs(308,24,308,38): warning CS8618: Non-nullable field '_stateMachineUserHoistedLocalSlotIndices' is uninitialized. 1>CodeGen\LocalScopeManager.cs(308,24,308,38): warning CS8618: Non-nullable field '_nestedScopes' is uninitialized. 1>CodeGen\LocalScopeManager.cs(308,24,308,38): warning CS8618: Non-nullable field 'Blocks' is uninitialized. 1>CodeGen\LocalScopeManager.cs(24,22,24,39): warning CS8618: Non-nullable field '_enclosingExceptionHandler' is uninitialized. 1>CodeGen\LocalScopeManager.cs(86,24,86,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(116,37,116,64): warning CS8604: Possible null reference argument for parameter 'lazyDiagnosticsMap' in 'void CategorizedDiagnosticQueue.EnqueueCore(ref Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> lazyDiagnosticsMap, Diagnostic diagnostic, DiagnosticAnalyzer analyzer)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(120,37,120,66): warning CS8604: Possible null reference argument for parameter 'lazyDiagnosticsMap' in 'void CategorizedDiagnosticQueue.EnqueueCore(ref Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> lazyDiagnosticsMap, Diagnostic diagnostic, DiagnosticAnalyzer analyzer)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(126,33,126,57): warning CS8604: Possible null reference argument for parameter 'lazyDiagnosticsMap' in 'void CategorizedDiagnosticQueue.EnqueueCore(ref Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> lazyDiagnosticsMap, Diagnostic diagnostic, DiagnosticAnalyzer analyzer)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(166,42,166,71): warning CS8604: Possible null reference argument for parameter 'lazyDiagnosticsMap' in 'bool CategorizedDiagnosticQueue.TryDequeue_NoLock(Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> lazyDiagnosticsMap, out Diagnostic? d)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(166,77,166,78): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(167,39,167,66): warning CS8604: Possible null reference argument for parameter 'lazyDiagnosticsMap' in 'bool CategorizedDiagnosticQueue.TryDequeue_NoLock(Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> lazyDiagnosticsMap, out Diagnostic? d)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(167,72,167,73): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(168,39,168,63): warning CS8604: Possible null reference argument for parameter 'lazyDiagnosticsMap' in 'bool CategorizedDiagnosticQueue.TryDequeue_NoLock(Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> lazyDiagnosticsMap, out Diagnostic? d)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(168,69,168,70): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\LabelInfo.cs(33,24,33,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(174,35,174,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(187,57,187,84): warning CS8604: Possible null reference argument for parameter 'diagnosticsMap' in 'ImmutableArray<Diagnostic> CategorizedDiagnosticQueue.DequeueDiagnosticsCore(DiagnosticAnalyzer analyzer, Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> diagnosticsMap)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(192,57,192,86): warning CS8604: Possible null reference argument for parameter 'diagnosticsMap' in 'ImmutableArray<Diagnostic> CategorizedDiagnosticQueue.DequeueDiagnosticsCore(DiagnosticAnalyzer analyzer, Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> diagnosticsMap)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(197,57,197,81): warning CS8604: Possible null reference argument for parameter 'diagnosticsMap' in 'ImmutableArray<Diagnostic> CategorizedDiagnosticQueue.DequeueDiagnosticsCore(DiagnosticAnalyzer analyzer, Dictionary<DiagnosticAnalyzer, SimpleDiagnosticQueue> diagnosticsMap)'. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(203,74,203,79): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DiagnosticAnalyzer\DiagnosticQueue.cs(207,28,207,33): warning CS8602: Possible dereference of a null reference. 1>Diagnostic\CommonMessageProvider.cs(134,28,134,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic.cs(39,49,39,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic.cs(39,55,39,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic.cs(60,49,60,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(58,23,58,33): warning CS8618: Non-nullable field 'builder' is uninitialized. 1>CodeGen\BasicBlock.cs(58,23,58,33): warning CS8618: Non-nullable field '_lazyRegularInstructions' is uninitialized. 1>CodeGen\BasicBlock.cs(58,23,58,33): warning CS8618: Non-nullable field 'NextBlock' is uninitialized. 1>CodeGen\BasicBlock.cs(58,23,58,33): warning CS8618: Non-nullable field '_branchLabel' is uninitialized. 1>Diagnostic\Diagnostic.cs(81,82,81,86): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(62,22,62,32): warning CS8618: Non-nullable field 'builder' is uninitialized. 1>CodeGen\BasicBlock.cs(62,22,62,32): warning CS8618: Non-nullable field '_lazyRegularInstructions' is uninitialized. 1>CodeGen\BasicBlock.cs(62,22,62,32): warning CS8618: Non-nullable field 'NextBlock' is uninitialized. 1>CodeGen\BasicBlock.cs(62,22,62,32): warning CS8618: Non-nullable field '_branchLabel' is uninitialized. 1>CodeGen\BasicBlock.cs(151,70,151,74): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(158,48,158,52): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(195,41,195,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\BasicBlock.cs(202,28,202,34): warning CS8603: Possible null reference return. 1>Diagnostic\Diagnostic.cs(339,24,339,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic.cs(346,29,346,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Diagnostic\Diagnostic.cs(349,49,349,58): warning CS8604: Possible null reference argument for parameter 'attribute' in 'SuppressionInfo.SuppressionInfo(string id, AttributeData attribute)'. 1>Diagnostic\Diagnostic.cs(499,28,499,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(412,40,412,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic_SimpleDiagnostic.cs(75,125,75,129): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(498,40,498,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(507,40,507,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic_SimpleDiagnostic.cs(166,36,166,53): warning CS8604: Possible null reference argument for parameter 'obj' in 'bool SimpleDiagnostic.Equals(Diagnostic obj)'. 1>CodeGen\BasicBlock.cs(529,40,529,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Diagnostic_SimpleDiagnostic.cs(179,33,179,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(659,36,659,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(662,38,662,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(663,36,663,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticDescriptor.cs(186,27,186,54): warning CS8604: Possible null reference argument for parameter 'other' in 'bool DiagnosticDescriptor.Equals(DiagnosticDescriptor other)'. 1>Diagnostic\DiagnosticDescriptor.cs(207,39,207,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticBag.cs(293,74,293,78): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticBag.cs(306,28,306,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticBag.cs(28,20,28,33): warning CS8618: Non-nullable field '_lazyBag' is uninitialized. 1>Diagnostic\DiagnosticInfo.cs(42,18,42,32): warning CS8618: Non-nullable field '_arguments' is uninitialized. 1>Diagnostic\DiagnosticWithInfo.cs(24,38,24,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticInfo.cs(165,19,165,33): warning CS8618: Non-nullable field '_arguments' is uninitialized. 1>Diagnostic\ExternalFileLocation.cs(51,32,51,59): warning CS8604: Possible null reference argument for parameter 'obj' in 'bool ExternalFileLocation.Equals(ExternalFileLocation obj)'. 1>Diagnostic\ExternalFileLocation.cs(61,27,61,31): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Collections\SmallDictionary.cs(579,47,579,57): warning CS8603: Possible null reference return. 1>Diagnostic\DiagnosticWithInfo.cs(144,27,144,44): warning CS8604: Possible null reference argument for parameter 'obj' in 'bool DiagnosticWithInfo.Equals(Diagnostic obj)'. 1>Diagnostic\DiagnosticInfo.cs(323,71,323,100): warning CS8604: Possible null reference argument for parameter 'language' in 'string CommonMessageProvider.LoadMessage(int code, CultureInfo language)'. 1>Diagnostic\DiagnosticInfo.cs(339,39,339,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Diagnostic\DiagnosticInfo.cs(345,69,345,83): warning CS8604: Possible null reference argument for parameter 'argumentsToUse' in 'object[] DiagnosticInfo.InitializeArgumentListIfNeeded(object[] argumentsToUse)'. 1>Diagnostic\DiagnosticInfo.cs(353,69,353,83): warning CS8604: Possible null reference argument for parameter 'argumentsToUse' in 'object[] DiagnosticInfo.InitializeArgumentListIfNeeded(object[] argumentsToUse)'. 1>Diagnostic\DiagnosticInfo.cs(387,29,387,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticWithInfo.cs(189,29,189,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticInfo.cs(398,113,398,142): warning CS8604: Possible null reference argument for parameter 'culture' in 'string CommonMessageProvider.GetMessagePrefix(string id, DiagnosticSeverity severity, bool isWarningAsError, CultureInfo culture)'. 1>InternalUtilities\FileNameUtilities.cs(82,24,82,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\BasicBlock.cs(712,20,712,31): warning CS8618: Non-nullable field 'BranchLabels' is uninitialized. 1>InternalUtilities\FileNameUtilities.cs(100,24,100,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticInfo.cs(418,36,418,57): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\BasicBlock.cs(690,20,690,47): warning CS8618: Non-nullable field 'NextExceptionHandler' is uninitialized. 1>InternalUtilities\FileNameUtilities.cs(132,24,132,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Location.cs(37,61,37,65): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\Location.cs(46,68,46,72): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\LocalizableString.cs(37,49,37,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\LocalizableString.cs(47,29,47,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\Hash.cs(62,45,62,50): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\Hash.cs(86,45,86,50): warning CS8602: Possible dereference of a null reference. 1>Diagnostic\SourceLocation.cs(111,29,111,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\MetadataLocation.cs(38,27,38,50): warning CS8604: Possible null reference argument for parameter 'other' in 'bool MetadataLocation.Equals(MetadataLocation other)'. 1>Diagnostic\SourceLocation.cs(116,32,116,53): warning CS8604: Possible null reference argument for parameter 'other' in 'bool SourceLocation.Equals(SourceLocation other)'. 1>Diagnostic\MetadataLocation.cs(43,29,43,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\Hash.cs(112,45,112,50): warning CS8602: Possible dereference of a null reference. 1>Collections\SmallDictionary.cs(696,47,696,57): warning CS8603: Possible null reference return. 1>DocumentationCommentId.cs(75,83,75,87): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\DiagnosticFormatter.cs(51,36,51,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Diagnostic\DiagnosticFormatter.cs(55,65,55,73): warning CS8604: Possible null reference argument for parameter 'basePath' in 'string DiagnosticFormatter.FormatSourcePath(string path, string basePath, IFormatProvider formatter)'. 1>Diagnostic\DiagnosticFormatter.cs(58,64,58,71): warning CS8604: Possible null reference argument for parameter 'formatProvider' in 'string Diagnostic.GetMessage(IFormatProvider formatProvider = null)'. 1>Diagnostic\DiagnosticFormatter.cs(63,64,63,71): warning CS8604: Possible null reference argument for parameter 'formatProvider' in 'string Diagnostic.GetMessage(IFormatProvider formatProvider = null)'. 1>Diagnostic\XmlLocation.cs(66,29,66,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Diagnostic\XmlLocation.cs(71,32,71,50): warning CS8604: Possible null reference argument for parameter 'other' in 'bool XmlLocation.Equals(XmlLocation other)'. 1>InternalUtilities\ImmutableArrayInterop.cs(22,21,22,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DocumentationComments\XmlDocumentationCommentTextReader.cs(59,31,59,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DocumentationComments\XmlDocumentationCommentTextReader.cs(63,24,63,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DocumentationComments\XmlDocumentationCommentTextReader.cs(69,27,69,31): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DocumentationComments\XmlDocumentationCommentTextReader.cs(14,28,14,61): warning CS8618: Non-nullable field '_reader' is uninitialized. 1>DocumentationComments\XmlDocumentationCommentTextReader.XmlStream.cs(46,25,46,29): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DocumentationComments\XmlDocumentationCommentTextReader.XmlStream.cs(13,31,13,37): warning CS8618: Non-nullable field '_text' is uninitialized. 1>InternalUtilities\ImmutableArrayInterop.cs(50,21,50,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>FileSystemExtensions.cs(51,32,51,41): warning CS8604: Possible null reference argument for parameter 'pdbStream' in 'EmitResult Compilation.Emit(Stream peStream, Stream pdbStream, Stream xmlDocumentationStream, Stream win32Resources, IEnumerable<ResourceDescription> manifestResources, EmitOptions options, CancellationToken cancellationToken)'. 1>FileSystemExtensions.cs(52,45,52,57): warning CS8604: Possible null reference argument for parameter 'xmlDocumentationStream' in 'EmitResult Compilation.Emit(Stream peStream, Stream pdbStream, Stream xmlDocumentationStream, Stream win32Resources, IEnumerable<ResourceDescription> manifestResources, EmitOptions options, CancellationToken cancellationToken)'. 1>FileSystemExtensions.cs(53,37,53,57): warning CS8604: Possible null reference argument for parameter 'win32Resources' in 'EmitResult Compilation.Emit(Stream peStream, Stream pdbStream, Stream xmlDocumentationStream, Stream win32Resources, IEnumerable<ResourceDescription> manifestResources, EmitOptions options, CancellationToken cancellationToken)'. 1>FileSystem\RelativePathResolver.cs(36,35,36,133): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>FileSystem\RelativePathResolver.cs(39,24,39,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\AssemblyIdentityUtils.cs(30,42,30,113): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\AssemblyIdentityUtils.cs(38,64,38,75): warning CS8604: Possible null reference argument for parameter 'cultureName' in 'AssemblyIdentity.AssemblyIdentity(string name, Version version, string cultureName, ImmutableArray<byte> publicKeyOrToken, bool hasPublicKey)'. 1>InternalUtilities\AssemblyIdentityUtils.cs(43,20,43,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>FileSystem\RelativePathResolver.cs(64,59,64,86): warning CS8604: Possible null reference argument for parameter 'other' in 'bool RelativePathResolver.Equals(RelativePathResolver other)'. 1>Text\ChangedText.cs(29,90,29,121): warning CS8604: Possible null reference argument for parameter 'previous' in 'ChangeInfo.ChangeInfo(ImmutableArray<TextChangeRange> changeRanges, WeakReference<SourceText> weakOldText, ChangeInfo previous)'. 1>Text\ChangedText.cs(69,41,69,45): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\ConcurrentLruCache.cs(121,27,121,39): warning CS8602: Possible dereference of a null reference. 1>DocumentationCommentId.cs(150,24,150,62): warning CS8603: Possible null reference return. 1>DocumentationCommentId.cs(238,24,238,62): warning CS8603: Possible null reference return. 1>DocumentationCommentId.cs(252,26,252,69): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DocumentationCommentId.cs(678,61,678,65): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DocumentationCommentId.cs(359,24,359,33): warning CS8618: Non-nullable field '_referenceGenerator' is uninitialized. 1>DocumentationCommentId.cs(821,32,821,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>DocumentationCommentId.cs(623,56,623,85): warning CS8604: Possible null reference argument for parameter 'symbol' in 'int DocumentationCommentId.GetTotalTypeParameterCount(INamedTypeSymbol symbol)'. 1>DocumentationCommentId.cs(971,59,971,63): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>DocumentationCommentId.cs(1251,50,1251,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(255,53,255,154): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(134,39,134,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(135,59,135,63): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(136,61,136,65): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(138,55,138,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(139,39,139,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(189,113,189,125): warning CS8604: Possible null reference argument for parameter 'topLevelType' in 'void SerializedTypeDecoder.HandleDecodedTypeName(string decodedTypeName, bool decodingTopLevelType, ref string topLevelType, ref ArrayBuilder<string> nestedTypesBuilder)'. 1>MetadataReader\MetadataHelpers.cs(189,131,189,149): warning CS8604: Possible null reference argument for parameter 'nestedTypesBuilder' in 'void SerializedTypeDecoder.HandleDecodedTypeName(string decodedTypeName, bool decodingTopLevelType, ref string topLevelType, ref ArrayBuilder<string> nestedTypesBuilder)'. 1>MetadataReader\MetadataHelpers.cs(217,75,217,92): warning CS8604: Possible null reference argument for parameter 'arrayRanksBuilder' in 'void SerializedTypeDecoder.DecodeArrayShape(StringBuilder typeNameBuilder, ref ArrayBuilder<int> arrayRanksBuilder)'. 1>MetadataReader\MetadataHelpers.cs(266,93,266,105): warning CS8604: Possible null reference argument for parameter 'topLevelType' in 'void SerializedTypeDecoder.HandleDecodedTypeName(string decodedTypeName, bool decodingTopLevelType, ref string topLevelType, ref ArrayBuilder<string> nestedTypesBuilder)'. 1>MetadataReader\MetadataHelpers.cs(266,111,266,129): warning CS8604: Possible null reference argument for parameter 'nestedTypesBuilder' in 'void SerializedTypeDecoder.HandleDecodedTypeName(string decodedTypeName, bool decodingTopLevelType, ref string topLevelType, ref ArrayBuilder<string> nestedTypesBuilder)'. 1>MetadataReader\MetadataHelpers.cs(272,21,272,34): warning CS8604: Possible null reference argument for parameter 'typeArguments' in 'AssemblyQualifiedTypeName.AssemblyQualifiedTypeName(string topLevelType, string[] nestedTypes, AssemblyQualifiedTypeName[] typeArguments, int pointerCount, int[] arrayRanks, string assemblyName)'. 1>MetadataReader\MetadataHelpers.cs(274,21,274,56): warning CS8604: Possible null reference argument for parameter 'arrayRanks' in 'AssemblyQualifiedTypeName.AssemblyQualifiedTypeName(string topLevelType, string[] nestedTypes, AssemblyQualifiedTypeName[] typeArguments, int pointerCount, int[] arrayRanks, string assemblyName)'. 1>MetadataReader\MetadataHelpers.cs(275,21,275,33): warning CS8604: Possible null reference argument for parameter 'assemblyName' in 'AssemblyQualifiedTypeName.AssemblyQualifiedTypeName(string topLevelType, string[] nestedTypes, AssemblyQualifiedTypeName[] typeArguments, int pointerCount, int[] arrayRanks, string assemblyName)'. 1>Text\CompositeText.cs(157,39,157,60): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(324,28,324,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataHelpers.cs(386,28,386,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataHelpers.cs(750,53,750,57): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(754,95,754,99): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(787,29,787,54): warning CS8602: Possible dereference of a null reference. 1>MetadataReader\MetadataHelpers.cs(795,46,795,76): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataHelpers.cs(805,41,805,63): warning CS8604: Possible null reference argument for parameter 'key' in 'KeyValuePair<string, IEnumerable<IGrouping<string, TypeDefinitionHandle>>>.KeyValuePair(string key, IEnumerable<IGrouping<string, TypeDefinitionHandle>> value)'. 1>MetadataReader\MetadataHelpers.cs(823,33,823,55): warning CS8604: Possible null reference argument for parameter 'key' in 'KeyValuePair<string, IEnumerable<IGrouping<string, TypeDefinitionHandle>>>.KeyValuePair(string key, IEnumerable<IGrouping<string, TypeDefinitionHandle>> value)'. 1>MetadataReader\MetadataHelpers.cs(968,20,968,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.cs(78,35,78,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.cs(79,30,79,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.cs(80,39,80,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(682,64,682,68): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataReaderExtensions.cs(43,24,43,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.cs(105,30,105,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.cs(108,39,108,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.cs(132,39,132,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEAssembly.cs(55,18,55,28): warning CS8618: Non-nullable field '_lazyInternalsVisibleToMap' is uninitialized. 1>MetadataReader\PEModule.cs(97,18,97,26): warning CS8618: Non-nullable field '_lazyMetadataReader' is uninitialized. 1>MetadataReader\PEModule.cs(97,18,97,26): warning CS8618: Non-nullable field '_lazyForwardedTypesToAssemblyIndexMap' is uninitialized. 1>MetadataReader\PEModule.cs(97,18,97,26): warning CS8618: Non-nullable field '_lazyName' is uninitialized. 1>MetadataReader\PEModule.cs(97,18,97,26): warning CS8618: Non-nullable field '_lazyNoPiaLocalTypeCheckBitMap' is uninitialized. 1>MetadataReader\PEModule.cs(97,18,97,26): warning CS8618: Non-nullable field '_lazyTypeDefToTypeIdentifierMap' is uninitialized. 1>MetadataReader\PEModule.cs(110,26,110,82): warning CS8601: Possible null reference assignment. 1>MetadataReader\MetadataTypeName.Key.cs(28,54,28,58): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.Key.cs(29,33,29,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataTypeName.Key.cs(38,37,38,41): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(220,77,220,81): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEAssembly.cs(159,107,159,111): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(974,102,974,106): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataReaderExtensions.cs(105,34,105,82): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataReaderExtensions.cs(154,30,154,41): warning CS8604: Possible null reference argument for parameter 'cultureName' in 'AssemblyIdentity.AssemblyIdentity(bool noThrow, string name, Version version = null, string cultureName = null, ImmutableArray<byte> publicKeyOrToken = default(ImmutableArray<byte>), bool hasPublicKey = false, bool isRetargetable = false, AssemblyContentType contentType = AssemblyContentType.Default)'. 1>MetadataReader\MetadataDecoder.cs(1191,49,1191,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1219,37,1219,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1249,49,1249,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1259,43,1259,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1320,27,1320,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(781,51,781,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(1413,27,1413,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.cs(67,32,67,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentity.cs(94,16,94,32): warning CS8618: Non-nullable field '_lazyDisplayName' is uninitialized. 1>MetadataReference\AssemblyIdentity.cs(153,18,153,34): warning CS8618: Non-nullable field '_lazyDisplayName' is uninitialized. 1>MetadataReference\AssemblyIdentity.cs(174,18,174,34): warning CS8618: Non-nullable field '_lazyDisplayName' is uninitialized. 1>Text\SourceText.cs(36,19,36,29): warning CS8618: Non-nullable field '_lazyLineInfo' is uninitialized. 1>Text\SourceText.cs(51,60,51,64): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(1065,28,1065,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(1079,20,1079,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentity.cs(398,27,398,50): warning CS8604: Possible null reference argument for parameter 'obj' in 'bool AssemblyIdentity.Equals(AssemblyIdentity obj)'. 1>MetadataReader\PEModule.cs(1132,28,1132,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1146,28,1146,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1169,24,1169,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Text\SourceText.cs(447,96,447,100): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(1194,95,1194,99): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(1204,28,1204,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(1208,28,1210,29): warning CS8603: Possible null reference return. 1>MetadataReader\PEModule.cs(1227,28,1229,29): warning CS8603: Possible null reference return. 1>MetadataReader\PEModule.cs(1415,21,1415,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1427,27,1427,31): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1442,33,1442,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1443,25,1443,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1444,30,1444,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1449,29,1449,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1450,21,1450,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1451,26,1451,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1502,21,1502,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1515,21,1515,25): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1543,25,1543,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1550,25,1550,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Text\SourceText.cs(781,102,781,106): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(1509,26,1509,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1581,49,1583,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1585,78,1585,92): warning CS8604: Possible null reference argument for parameter 'value' in 'TypedConstant MetadataDecoder<ModuleSymbol, TypeSymbol, MethodSymbol, FieldSymbol, Symbol>.CreateTypedConstant(TypeSymbol type, TypedConstantKind kind, object value)'. 1>MetadataReader\PEModule.cs(1691,42,1691,46): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1713,20,1713,26): warning CS8603: Possible null reference return. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(172,24,172,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(195,31,195,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(196,30,196,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(271,31,271,143): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(393,57,393,64): warning CS8604: Possible null reference argument for parameter 'version' in 'AssemblyIdentity.AssemblyIdentity(string name, Version version = null, string cultureName = null, ImmutableArray<byte> publicKeyOrToken = default(ImmutableArray<byte>), bool hasPublicKey = false, bool isRetargetable = false, AssemblyContentType contentType = AssemblyContentType.Default)'. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(393,66,393,73): warning CS8604: Possible null reference argument for parameter 'cultureName' in 'AssemblyIdentity.AssemblyIdentity(string name, Version version = null, string cultureName = null, ImmutableArray<byte> publicKeyOrToken = default(ImmutableArray<byte>), bool hasPublicKey = false, bool isRetargetable = false, AssemblyContentType contentType = AssemblyContentType.Default)'. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(397,28,397,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Text\SourceText.cs(1091,20,1091,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(416,29,416,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(465,33,465,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(499,37,499,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(515,25,515,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\PEModule.cs(1832,21,1832,25): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(1840,21,1840,25): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(1752,38,1752,42): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1753,37,1753,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1759,34,1759,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1760,33,1760,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(1873,83,1873,111): warning CS8604: Possible null reference argument for parameter 'exception' in 'TypeSymbol TypeNameDecoder<ModuleSymbol, TypeSymbol>.GetUnsupportedMetadataTypeSymbol(BadImageFormatException exception = null)'. 1>MetadataReader\MetadataDecoder.cs(1985,57,1985,61): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyIdentity.DisplayName.cs(770,33,770,37): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReader\MetadataDecoder.cs(2085,20,2085,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentityComparer.cs(61,28,61,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentityComparer.cs(73,39,73,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentityComparer.cs(84,39,84,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2181,51,2181,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2206,73,2206,77): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2217,73,2217,77): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentityComparer.cs(90,40,90,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyIdentityComparer.cs(94,30,94,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2250,40,2250,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2257,40,2257,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2269,40,2269,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2276,40,2276,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2291,36,2291,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2305,20,2305,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2330,28,2330,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\MetadataDecoder.cs(2337,24,2337,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(2538,28,2538,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(2549,24,2549,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Text\LargeTextWriter.cs(20,16,20,31): warning CS8618: Non-nullable field '_buffer' is uninitialized. 1>Text\LargeTextWriter.cs(142,27,142,31): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReader\PEModule.cs(2781,24,2781,72): warning CS8626: No best nullability for operands of conditional expression 'UnmanagedType' and 'int'. 1>MetadataReference\AssemblyMetadata.cs(83,18,83,34): warning CS8618: Non-nullable field '_moduleFactoryOpt' is uninitialized. 1>MetadataReference\AssemblyMetadata.cs(83,18,83,34): warning CS8618: Non-nullable field '_lazyData' is uninitialized. 1>MetadataReference\AssemblyMetadata.cs(90,18,90,34): warning CS8618: Non-nullable field '_lazyData' is uninitialized. 1>MetadataReference\AssemblyMetadata.cs(306,72,306,76): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>MetadataReference\AssemblyMetadata.cs(333,94,333,98): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\AssemblyMetadata.cs(27,21,27,25): warning CS8618: Non-nullable field 'Assembly' is uninitialized. 1>MetadataReference\MetadataReference.cs(34,54,34,58): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\MetadataReference.cs(125,103,125,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\MetadataReference.cs(159,103,159,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\MetadataReference.cs(198,103,198,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\MetadataReference.cs(239,101,239,105): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\MetadataReference.cs(244,107,244,111): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\CompilationReference.cs(133,27,133,54): warning CS8604: Possible null reference argument for parameter 'other' in 'bool CompilationReference.Equals(CompilationReference other)'. 1>MetadataReference\MetadataReference.cs(333,103,333,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\MetadataReferenceResolver.cs(29,144,29,148): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\InterlockedOperations.cs(24,67,24,71): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\ModuleMetadata.cs(33,52,33,56): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\PortableExecutableReference.cs(57,104,57,108): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>MetadataReference\ReferenceDirective.cs(19,38,19,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\Operation.cs(27,16,27,25): warning CS8618: Non-nullable field '_parentDoNotAccessDirectly' is uninitialized. 1>Operations\Operation.cs(99,94,99,98): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\Operation.cs(161,39,161,61): warning CS8602: Possible dereference of a null reference. 1>Operations\Operation.cs(161,91,161,95): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\Operation.cs(250,24,250,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\Operation.cs(267,24,267,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Operations\Operation.cs(299,24,299,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Optional.cs(68,19,68,25): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.cs(84,19,84,33): warning CS8618: Non-nullable field '_pseudoSymbolTokenToTokenMap' is uninitialized. 1>PEWriter\MetadataWriter.cs(84,19,84,33): warning CS8618: Non-nullable field '_pseudoSymbolTokenToReferenceMap' is uninitialized. 1>PEWriter\MetadataWriter.cs(84,19,84,33): warning CS8618: Non-nullable field '_pseudoStringTokenToTokenMap' is uninitialized. 1>PEWriter\MetadataWriter.cs(84,19,84,33): warning CS8618: Non-nullable field '_pseudoStringTokenToStringMap' is uninitialized. 1>PEWriter\MetadataWriter.cs(84,19,84,33): warning CS8618: Non-nullable field '_referenceVisitor' is uninitialized. 1>RealParser.cs(478,36,480,20): warning CS8626: No best nullability for operands of conditional expression 'uint' and 'int'. 1>PEWriter\MetadataWriter.cs(557,24,557,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(565,50,565,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(597,20,597,26): warning CS8603: Possible null reference return. 1>RealParser.cs(710,40,710,125): warning CS8626: No best nullability for operands of conditional expression 'ulong' and 'int'. 1>PEWriter\MetadataWriter.cs(612,58,612,62): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(661,28,661,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(671,24,671,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(738,43,738,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\LocalConstantDefinition.cs(62,36,62,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataVisitor.cs(519,42,519,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\AssemblyReferenceBinding.cs(25,51,25,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\AssemblyReferenceBinding.cs(37,51,37,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\AssemblyDataForAssemblyBeingBuilt.cs(29,42,29,46): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\JsonWriter.cs(168,49,168,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\JsonWriter.cs(169,31,169,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\JsonWriter.cs(203,25,203,26): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\JsonWriter.cs(206,25,206,26): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\JsonWriter.cs(211,49,211,50): warning CS8604: Possible null reference argument for parameter 'builder' in 'void JsonWriter.AppendCharAsUnicode(StringBuilder builder, char c)'. 1>InternalUtilities\JsonWriter.cs(231,20,231,33): warning CS8602: Possible dereference of a null reference. 1>ReferenceManager\CommonReferenceManager.Binding.cs(215,111,215,115): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Binding.cs(231,73,231,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Binding.cs(291,119,291,131): warning CS8604: Possible null reference argument for parameter 'lazyAliasMap' in 'void CommonReferenceManager<TCompilation, TAssemblySymbol>.MergeReferenceProperties(MetadataReference primaryReference, MetadataReference newReference, DiagnosticBag diagnostics, ref Dictionary<MetadataReference, MergedAliases> lazyAliasMap)'. 1>ReferenceManager\CommonReferenceManager.Binding.cs(347,87,347,99): warning CS8604: Possible null reference argument for parameter 'propertyMapOpt' in 'ImmutableArray<ResolvedReference> CommonReferenceManager<TCompilation, TAssemblySymbol>.ToResolvedAssemblyReferences(ImmutableArray<MetadataReference> references, Dictionary<MetadataReference, MergedAliases> propertyMapOpt, int explicitAssemblyCount)'. 1>ReferenceManager\AssemblyDataForAssemblyBeingBuilt.cs(132,62,132,66): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\MergedAliases.cs(9,27,9,40): warning CS8618: Non-nullable field 'AliasesOpt' is uninitialized. 1>ReferenceManager\MergedAliases.cs(9,27,9,40): warning CS8618: Non-nullable field 'RecursiveAliasesOpt' is uninitialized. 1>ReferenceManager\UnifiedAssembly.cs(26,47,26,51): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Binding.cs(478,24,478,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Binding.cs(485,24,485,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Binding.cs(488,28,488,44): warning CS8602: Possible dereference of a null reference. 1>ReferenceManager\CommonReferenceManager.Binding.cs(493,24,493,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Binding.cs(498,17,498,33): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.cs(841,41,841,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ResourceDescription.cs(37,34,37,38): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ResourceDescription.cs(93,29,93,57): warning CS8601: Possible null reference assignment. 1>ResourceDescription.cs(136,68,136,100): warning CS8604: Possible null reference argument for parameter 'streamProvider' in 'ManagedResource.ManagedResource(string name, bool isPublic, Func<Stream> streamProvider, IFileReference fileReference, uint offset)'. 1>ResourceDescription.cs(136,102,136,126): warning CS8604: Possible null reference argument for parameter 'fileReference' in 'ManagedResource.ManagedResource(string name, bool isPublic, Func<Stream> streamProvider, IFileReference fileReference, uint offset)'. 1>CodeGen\LocalDefinition.cs(138,36,138,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(82,24,82,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(969,50,969,79): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\ModifiedTypeReference.cs(90,24,90,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(98,24,98,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(104,20,104,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(111,24,111,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(117,20,117,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(124,24,124,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(132,24,132,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(996,43,996,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\ModifiedTypeReference.cs(138,20,138,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\ModifiedTypeReference.cs(143,20,143,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Binding.cs(886,54,886,58): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1120,46,1120,74): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1126,48,1126,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>RuleSet\RuleSetInclude.cs(52,31,52,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>RuleSet\RuleSetInclude.cs(71,20,71,27): warning CS8603: Possible null reference return. 1>PEWriter\MetadataWriter.cs(1200,43,1200,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>RuleSet\RuleSet.cs(80,28,80,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>RuleSet\RuleSet.cs(96,28,96,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>RuleSet\RuleSetInclude.cs(127,20,127,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(216,73,216,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(221,73,221,165): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(223,57,223,61): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(245,102,245,114): warning CS8604: Possible null reference argument for parameter 'lazyAliasMap' in 'void CommonReferenceManager<TCompilation, TAssemblySymbol>.MergeReferenceProperties(MetadataReference primaryReference, MetadataReference newReference, DiagnosticBag diagnostics, ref Dictionary<MetadataReference, MergedAliases> lazyAliasMap)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(257,21,257,46): warning CS8602: Possible dereference of a null reference. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(283,110,283,122): warning CS8604: Possible null reference argument for parameter 'lazyAliasMap' in 'void CommonReferenceManager<TCompilation, TAssemblySymbol>.MergeReferenceProperties(MetadataReference primaryReference, MetadataReference newReference, DiagnosticBag diagnostics, ref Dictionary<MetadataReference, MergedAliases> lazyAliasMap)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(332,114,332,126): warning CS8604: Possible null reference argument for parameter 'lazyAliasMap' in 'void CommonReferenceManager<TCompilation, TAssemblySymbol>.MergeReferenceProperties(MetadataReference primaryReference, MetadataReference newReference, DiagnosticBag diagnostics, ref Dictionary<MetadataReference, MergedAliases> lazyAliasMap)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(366,100,366,118): warning CS8604: Possible null reference argument for parameter 'modules' in 'void CommonReferenceManager<TCompilation, TAssemblySymbol>.AddModule(PEModule module, int referenceIndex, ResolvedReference[] referenceMap, ref ArrayBuilder<PEModule> modules)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(404,135,404,147): warning CS8604: Possible null reference argument for parameter 'propertyMapOpt' in 'ResolvedReference CommonReferenceManager<TCompilation, TAssemblySymbol>.GetResolvedReferenceAndFreePropertyMapEntry(MetadataReference reference, int index, MetadataImageKind kind, Dictionary<MetadataReference, MergedAliases> propertyMapOpt)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(468,40,468,44): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(487,31,487,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(502,51,502,84): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(502,51,502,101): warning CS8604: Possible null reference argument for parameter 'value' in 'void Dictionary<MetadataReference, object>.Add(MetadataReference key, object value)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(503,24,503,35): warning CS8603: Possible null reference return. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(514,28,514,48): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(523,24,523,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>RuleSet\RuleSet.cs(259,20,259,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>RuleSet\RuleSet.cs(287,108,287,112): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>RuleSet\RuleSet.cs(287,114,287,118): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(1459,38,1459,60): warning CS8604: Possible null reference argument for parameter 'symbolOpt' in 'Location MetadataWriter.GetSymbolLocation(ISymbol symbolOpt)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(639,24,639,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(663,24,663,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(697,40,697,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(700,24,700,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(753,40,753,44): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(756,73,756,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(788,21,788,55): warning CS8602: Possible dereference of a null reference. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(825,31,825,96): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(830,104,830,112): warning CS8604: Possible null reference argument for parameter 'baseFilePath' in 'ImmutableArray<PortableExecutableReference> MetadataReferenceResolver.ResolveReference(string reference, string baseFilePath, MetadataReferenceProperties properties)'. 1>ReferenceManager\CommonReferenceManager.Resolution.cs(833,24,833,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(1683,39,1683,68): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1689,43,1689,74): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1695,41,1695,71): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1701,41,1701,71): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1707,47,1707,80): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>RuleSet\RuleSetProcessor.cs(67,41,67,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>RuleSet\RuleSetProcessor.cs(68,36,68,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>ReferenceManager\CommonReferenceManager.State.cs(174,16,174,38): warning CS8618: Non-nullable field '_lazyReferencedAssembliesMap' is uninitialized. 1>ReferenceManager\CommonReferenceManager.State.cs(174,16,174,38): warning CS8618: Non-nullable field '_lazyReferencedModuleIndexMap' is uninitialized. 1>ReferenceManager\CommonReferenceManager.State.cs(174,16,174,38): warning CS8618: Non-nullable field '_lazyReferenceDirectiveMap' is uninitialized. 1>ReferenceManager\CommonReferenceManager.State.cs(174,16,174,38): warning CS8618: Non-nullable field '_lazyCorLibraryOpt' is uninitialized. 1>PEWriter\MetadataWriter.cs(1777,49,1777,53): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\NativeResourceWriter.cs(174,39,174,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(175,43,175,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(177,35,177,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(179,31,179,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(211,38,211,51): warning CS8602: Possible dereference of a null reference. 1>PEWriter\NativeResourceWriter.cs(212,25,212,38): warning CS8602: Possible dereference of a null reference. 1>PEWriter\NativeResourceWriter.cs(216,25,216,38): warning CS8602: Possible dereference of a null reference. 1>PEWriter\NativeResourceWriter.cs(220,21,220,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\NativeResourceWriter.cs(223,17,223,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\NativeResourceWriter.cs(225,17,225,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\NativeResourceWriter.cs(252,36,252,69): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(277,28,277,80): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(319,36,319,69): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\NativeResourceWriter.cs(341,36,341,69): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1832,50,1832,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1839,109,1839,131): warning CS8604: Possible null reference argument for parameter 'dynamicAnalysisDataOpt' in 'void MetadataWriter.PopulateTypeSystemTables(int[] methodBodyOffsets, BlobBuilder mappedFieldDataWriter, BlobBuilder resourceWriter, BlobBuilder dynamicAnalysisDataOpt, out Blob mvidFixup)'. 1>ReferenceManager\CommonReferenceManager.State.cs(501,91,501,95): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(1958,79,1958,135): warning CS8626: No best nullability for operands of conditional expression 'AssemblyFlags' and 'int'. 1>PEWriter\PeWriter.cs(156,34,156,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\PeWriter.cs(199,46,199,50): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\PeWriter.cs(212,133,212,154): warning CS8604: Possible null reference argument for parameter 'deterministicIdProviderOpt' in 'PortablePdbBuilder MetadataWriter.GetPortablePdbBuilder(ImmutableArray<int> typeSystemRowCounts, MethodDefinitionHandle debugEntryPoint, Func<IEnumerable<Blob>, BlobContentId> deterministicIdProviderOpt)'. 1>PEWriter\PeWriter.cs(269,41,269,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\PeWriter.cs(282,17,282,38): warning CS8604: Possible null reference argument for parameter 'debugDirectoryBuilder' in 'ExtendedPEBuilder.ExtendedPEBuilder(PEHeaderBuilder header, MetadataRootBuilder metadataRootBuilder, BlobBuilder ilStream, BlobBuilder mappedFieldData, BlobBuilder managedResources, ResourceSectionBuilder nativeResources, DebugDirectoryBuilder debugDirectoryBuilder, int strongNameSignatureSize, MethodDefinitionHandle entryPoint, CorFlags flags, Func<IEnumerable<Blob>, BlobContentId> deterministicIdProvider, bool withMvidSection)'. 1>PEWriter\PeWriter.cs(286,17,286,29): warning CS8604: Possible null reference argument for parameter 'deterministicIdProvider' in 'ExtendedPEBuilder.ExtendedPEBuilder(PEHeaderBuilder header, MetadataRootBuilder metadataRootBuilder, BlobBuilder ilStream, BlobBuilder mappedFieldData, BlobBuilder managedResources, ResourceSectionBuilder nativeResources, DebugDirectoryBuilder debugDirectoryBuilder, int strongNameSignatureSize, MethodDefinitionHandle entryPoint, CorFlags flags, Func<IEnumerable<Blob>, BlobContentId> deterministicIdProvider, bool withMvidSection)'. 1>ReferenceManager\CommonReferenceManager.State.cs(641,20,641,114): warning CS8603: Possible null reference return. 1>ReferenceManager\CommonReferenceManager.State.cs(663,20,663,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\PeWriter.cs(457,20,457,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(2101,62,2101,68): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.cs(2114,62,2114,68): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\MultiDictionary.cs(201,98,201,99): warning CS8604: Possible null reference argument for parameter 'value' in 'ValueSet.ValueSet(object value)'. 1>PEWriter\MetadataWriter.cs(2181,117,2181,121): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\MultiDictionary.cs(60,47,60,59): warning CS8603: Possible null reference return. 1>CodeGen\LocalOrParameter.cs(26,41,26,45): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SourceFileResolver.cs(103,35,103,130): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>SourceFileResolver.cs(106,24,106,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SpecialTypes.cs(24,13,24,17): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\DesktopStrongNameProvider.cs(127,112,127,116): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\DesktopStrongNameProvider.cs(127,118,127,122): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\DesktopStrongNameProvider.cs(136,179,136,183): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\DesktopStrongNameProvider.cs(140,18,140,43): warning CS8618: Non-nullable field 'TestStrongNameInterfaceFactory' is uninitialized. 1>StrongName\DesktopStrongNameProvider.cs(168,32,168,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>StrongName\DesktopStrongNameProvider.cs(192,65,192,74): warning CS8604: Possible null reference argument for parameter 'keyContainerName' in 'StrongNameKeys.StrongNameKeys(ImmutableArray<byte> keyPair, ImmutableArray<byte> publicKey, RSAParameters? privateKey, string keyContainerName, string keyFilePath)'. 1>StrongName\PortableStrongNameProvider.cs(39,32,39,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>StrongName\PortableStrongNameProvider.cs(46,65,46,74): warning CS8604: Possible null reference argument for parameter 'keyContainerName' in 'StrongNameKeys.StrongNameKeys(ImmutableArray<byte> keyPair, ImmutableArray<byte> publicKey, RSAParameters? privateKey, string keyContainerName, string keyFilePath)'. 1>StrongName\DesktopStrongNameProvider.cs(296,93,296,97): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\DesktopStrongNameProvider.cs(319,72,319,76): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\DesktopStrongNameProvider.cs(319,110,319,114): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\StrongNameFileSystem.cs(54,20,54,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\StrongNameKeys.cs(57,17,57,31): warning CS8618: Non-nullable field 'DiagnosticOpt' is uninitialized. 1>StrongName\StrongNameKeys.cs(57,17,57,31): warning CS8618: Non-nullable field 'KeyContainer' is uninitialized. 1>StrongName\StrongNameKeys.cs(57,17,57,31): warning CS8618: Non-nullable field 'KeyFilePath' is uninitialized. 1>StrongName\StrongNameKeys.cs(61,18,61,32): warning CS8618: Non-nullable field 'KeyContainer' is uninitialized. 1>StrongName\StrongNameKeys.cs(61,18,61,32): warning CS8618: Non-nullable field 'KeyFilePath' is uninitialized. 1>StrongName\StrongNameKeys.cs(67,18,67,32): warning CS8618: Non-nullable field 'DiagnosticOpt' is uninitialized. 1>StrongName\StrongNameKeys.cs(85,97,85,101): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\StrongNameKeys.cs(85,103,85,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SwitchConstantValueHelper.cs(50,35,50,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SwitchConstantValueHelper.cs(51,36,51,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>StrongName\StrongNameKeys.cs(154,71,154,75): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SwitchConstantValueHelper.cs(102,21,102,34): warning CS8604: Possible null reference argument for parameter 'left' in 'bool ConstantValue.operator !=(ConstantValue left, ConstantValue right)'. 1>SwitchConstantValueHelper.cs(102,38,102,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SwitchConstantValueHelper.cs(105,25,105,39): warning CS8604: Possible null reference argument for parameter 'left' in 'bool ConstantValue.operator !=(ConstantValue left, ConstantValue right)'. 1>SwitchConstantValueHelper.cs(105,43,105,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SwitchConstantValueHelper.cs(131,21,131,29): warning CS8604: Possible null reference argument for parameter 'left' in 'bool ConstantValue.operator !=(ConstantValue left, ConstantValue right)'. 1>SwitchConstantValueHelper.cs(131,33,131,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>SymbolDisplay\AbstractSymbolDisplayVisitor.cs(23,19,23,47): warning CS8618: Non-nullable field '_lazyNotFirstVisitor' is uninitialized. 1>SymbolDisplay\AbstractSymbolDisplayVisitor.cs(23,19,23,47): warning CS8618: Non-nullable field '_lazyNotFirstVisitorNamespaceOrType' is uninitialized. 1>InternalUtilities\OneOrMany.cs(87,24,87,28): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\OneOrMany.cs(93,21,93,25): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\OneOrMany.cs(106,24,106,28): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\OneOrMany.cs(113,22,113,26): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.cs(2877,59,2877,142): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(2909,95,2909,116): warning CS8604: Possible null reference argument for parameter 'customDebugInfoWriter' in 'void PdbWriter.SerializeDebugInfo(IMethodBody methodBody, StandaloneSignatureHandle localSignatureHandleOpt, CustomDebugInfoWriter customDebugInfoWriter)'. 1>PEWriter\MetadataWriter.cs(2921,28,2921,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(2927,46,2927,50): warning CS8604: Possible null reference argument for parameter 'bodyOpt' in 'void MetadataWriter.SerializeMethodDebugInfo(IMethodBody bodyOpt, int methodRid, StandaloneSignatureHandle localSignatureHandleOpt, ref LocalVariableHandle lastLocalVariableHandle, ref LocalConstantHandle lastLocalConstantHandle)'. 1>PEWriter\MetadataWriter.cs(2930,83,2930,87): warning CS8604: Possible null reference argument for parameter 'bodyOpt' in 'void DynamicAnalysisDataWriter.SerializeMethodDynamicAnalysisData(IMethodBody bodyOpt)'. 1>PEWriter\MetadataWriter.cs(2964,30,2964,94): warning CS8626: No best nullability for operands of conditional expression 'MethodBodyAttributes' and 'int'. 1>PEWriter\MetadataWriter.cs(3089,59,3089,63): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(3104,56,3104,60): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.cs(3195,53,3195,82): warning CS8602: Possible dereference of a null reference. 1>CodeGen\LocalSlotManager.cs(78,16,78,32): warning CS8618: Non-nullable field '_localMap' is uninitialized. 1>CodeGen\LocalSlotManager.cs(78,16,78,32): warning CS8618: Non-nullable field '_freeSlots' is uninitialized. 1>CodeGen\LocalSlotManager.cs(78,16,78,32): warning CS8618: Non-nullable field '_lazyAllLocals' is uninitialized. 1>SymbolDisplay\AbstractSymbolDisplayVisitor_Minimal.cs(59,36,59,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>SymbolDisplay\AbstractSymbolDisplayVisitor_Minimal.cs(84,40,84,44): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>SymbolDisplay\AbstractSymbolDisplayVisitor_Minimal.cs(89,20,89,32): warning CS8603: Possible null reference return. 1>SymbolDisplay\AbstractSymbolDisplayVisitor_Minimal.cs(121,24,121,57): warning CS8603: Possible null reference return. 1>SymbolDisplay\AbstractSymbolDisplayVisitor_Minimal.cs(124,20,124,41): warning CS8603: Possible null reference return. 1>CodeGen\LocalSlotManager.cs(177,32,177,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\LocalSlotManager.cs(178,30,178,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\PerformanceSensitiveAttribute.cs(21,16,21,45): warning CS8618: Non-nullable property 'Constraint' is uninitialized. 1>PEWriter\MetadataWriter.cs(3444,38,3444,68): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>PEWriter\MetadataWriter.cs(3505,56,3505,84): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\AttributeUsageInfo.cs(180,33,180,37): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\AttributeUsageInfo.cs(180,39,180,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblySignatureKeyAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyVersionAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyFileVersionAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyTitleAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyDescriptionAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyCultureAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyCompanyAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyProductAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyInformationalVersionAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyCopyrightAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_assemblyTrademarkAttributeSetting' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_lazySecurityAttributeData' is uninitialized. 1>Symbols\Attributes\CommonAssemblyWellKnownAttributeData.cs(13,20,13,56): warning CS8618: Non-nullable field '_forwardedTypes' is uninitialized. 1>Symbols\Attributes\CommonEventEarlyWellKnownAttributeData.cs(23,24,23,94): warning CS8603: Possible null reference return. 1>Symbols\Attributes\CommonAttributeData.cs(220,30,220,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\CommonAttributeData.cs(237,78,237,85): warning CS8604: Possible null reference argument for parameter 'message' in 'ObsoleteAttributeData.ObsoleteAttributeData(ObsoleteAttributeKind kind, string message, bool isError)'. 1>Symbols\Attributes\CommonFieldEarlyWellKnownAttributeData.cs(23,24,23,94): warning CS8603: Possible null reference return. 1>Symbols\Attributes\CommonAttributeData.cs(248,30,248,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\CommonAttributeData.cs(261,80,261,87): warning CS8604: Possible null reference argument for parameter 'message' in 'ObsoleteAttributeData.ObsoleteAttributeData(ObsoleteAttributeKind kind, string message, bool isError)'. 1>Symbols\Attributes\CommonFieldWellKnownAttributeData.cs(13,16,13,49): warning CS8618: Non-nullable field '_lazyMarshalAsData' is uninitialized. 1>PEWriter\MetadataWriter.PortablePdb.cs(51,17,51,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(60,17,60,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(73,13,73,30): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(81,17,81,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(93,21,93,38): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(105,51,105,68): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(108,35,108,52): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(118,51,118,68): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(119,35,119,52): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(130,17,130,34): warning CS8602: Possible dereference of a null reference. 1>Symbols\Attributes\CommonMethodEarlyWellKnownAttributeData.cs(40,24,40,94): warning CS8603: Possible null reference return. 1>Symbols\Attributes\CommonMethodWellKnownAttributeData.cs(16,16,16,50): warning CS8618: Non-nullable field '_platformInvokeInfo' is uninitialized. 1>Symbols\Attributes\CommonMethodWellKnownAttributeData.cs(16,16,16,50): warning CS8618: Non-nullable field '_lazySecurityAttributeData' is uninitialized. 1>PEWriter\MetadataWriter.PortablePdb.cs(221,20,221,37): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(313,72,313,89): warning CS8602: Possible dereference of a null reference. 1>Symbols\Attributes\CommonParameterWellKnownAttributeData.cs(11,20,11,57): warning CS8618: Non-nullable field '_lazyMarshalAsData' is uninitialized. 1>Symbols\Attributes\CommonPropertyEarlyWellKnownAttributeData.cs(20,24,20,94): warning CS8603: Possible null reference return. 1>Symbols\Attributes\CommonReturnTypeWellKnownAttributeData.cs(11,20,11,58): warning CS8618: Non-nullable field '_lazyMarshalAsData' is uninitialized. 1>Symbols\Attributes\CommonTypeEarlyWellKnownAttributeData.cs(81,24,81,94): warning CS8603: Possible null reference return. 1>Symbols\Attributes\CustomAttributesBag.cs(28,17,28,36): warning CS8618: Non-nullable field '_decodedWellKnownAttributeData' is uninitialized. 1>Symbols\Attributes\CustomAttributesBag.cs(28,17,28,36): warning CS8618: Non-nullable field '_earlyDecodedWellKnownAttributeData' is uninitialized. 1>Symbols\Attributes\CustomAttributesBag.cs(67,109,67,113): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\CustomAttributesBag.cs(80,104,80,108): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\CommonTypeWellKnownAttributeData.cs(14,20,14,52): warning CS8618: Non-nullable field '_lazySecurityAttributeData' is uninitialized. 1>Symbols\Attributes\CommonTypeWellKnownAttributeData.cs(14,20,14,52): warning CS8618: Non-nullable field '_guidString' is uninitialized. 1>Symbols\Attributes\MarshalPseudoCustomAttributeData.cs(29,16,29,48): warning CS8618: Non-nullable field '_marshalTypeNameOrSymbol' is uninitialized. 1>Symbols\Attributes\MarshalPseudoCustomAttributeData.cs(29,16,29,48): warning CS8618: Non-nullable field '_marshalCookie' is uninitialized. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(33,104,33,108): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(47,117,47,121): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(73,58,73,77): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(77,85,77,94): warning CS8604: Possible null reference argument for parameter 'sourceAttribute' in 'PermissionSetAttributeWithFileReference.PermissionSetAttributeWithFileReference(ICustomAttribute sourceAttribute, string resolvedPermissionSetFilePath)'. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(80,72,80,81): warning CS8604: Possible null reference argument for parameter 'attribute' in 'SecurityAttribute.SecurityAttribute(DeclarativeSecurityAction action, ICustomAttribute attribute)'. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(17,27,17,57): warning CS8618: Non-nullable field '_lazySecurityActions' is uninitialized. 1>Symbols\Attributes\SecurityWellKnownAttributeData.cs(17,27,17,57): warning CS8618: Non-nullable field '_lazyPathsForPermissionSetFixup' is uninitialized. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(113,38,113,42): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(114,31,114,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(115,29,115,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(165,121,165,137): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(165,107,165,150): warning CS8604: Possible null reference argument for parameter 'typeSymbolOrName' in 'void MarshalPseudoCustomAttributeData.SetMarshalAsCustom(object typeSymbolOrName, string cookie)'. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(165,152,165,158): warning CS8604: Possible null reference argument for parameter 'cookie' in 'void MarshalPseudoCustomAttributeData.SetMarshalAsCustom(object typeSymbolOrName, string cookie)'. 1>Symbols\CommonAttributeDataExtensions.cs(20,26,20,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalPseudoCustomAttributeData.cs(178,24,178,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\Attributes\MarshalPseudoCustomAttributeData.cs(198,17,198,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalPseudoCustomAttributeData.cs(204,81,204,95): warning CS8604: Possible null reference argument for parameter 'elementTypeSymbol' in 'void MarshalPseudoCustomAttributeData.SetMarshalAsSafeArray(VarEnum? elementType, ITypeSymbol elementTypeSymbol)'. 1>Symbols\Attributes\MarshalPseudoCustomAttributeData.cs(211,20,211,59): warning CS8603: Possible null reference return. 1>Symbols\ISymbolExtensions.cs(23,24,23,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\ISymbolExtensions.cs(88,20,88,93): warning CS8603: Possible null reference return. 1>Symbols\ISymbolExtensions.cs(101,20,101,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.PortablePdb.cs(327,76,327,93): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(328,76,328,93): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(339,80,339,97): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(357,84,357,101): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(373,84,373,101): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(384,76,384,93): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(393,76,393,93): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(414,23,414,40): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(416,26,416,43): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(433,26,433,43): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(450,20,450,37): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(462,13,462,30): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(464,23,464,40): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(465,24,465,41): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(479,17,479,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(481,27,481,44): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(482,28,482,45): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(491,17,491,34): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(493,27,493,44): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(494,28,494,45): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(579,13,579,30): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(581,23,581,40): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(582,24,582,41): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(601,13,601,30): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(603,23,603,40): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(604,24,604,41): warning CS8602: Possible dereference of a null reference. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(285,45,285,49): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(338,45,338,49): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Symbols\Attributes\MarshalAsAttributeDecoder.cs(346,130,346,147): warning CS8604: Possible null reference argument for parameter 'elementTypeSymbol' in 'void MarshalPseudoCustomAttributeData.SetMarshalAsSafeArray(VarEnum? elementType, ITypeSymbol elementTypeSymbol)'. 1>Symbols\SymbolVisitor1.cs(16,20,16,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>PEWriter\MetadataWriter.PortablePdb.cs(687,20,687,37): warning CS8602: Possible dereference of a null reference. 1>Symbols\TypedConstant.cs(32,51,32,89): warning CS8604: Possible null reference argument for parameter 'value' in 'TypedConstant.TypedConstant(ITypeSymbol type, TypedConstantKind kind, object value)'. 1>Symbols\TypedConstantValue.cs(29,22,29,60): warning CS8601: Possible null reference assignment. 1>PEWriter\MetadataWriter.PortablePdb.cs(735,34,735,51): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(736,27,736,44): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(737,84,737,101): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(738,75,738,92): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(739,31,739,48): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(745,21,745,38): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(747,31,747,48): warning CS8602: Possible dereference of a null reference. 1>PEWriter\MetadataWriter.PortablePdb.cs(748,32,748,49): warning CS8602: Possible dereference of a null reference. 1>Symbols\TypedConstant.cs(105,24,105,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Symbols\TypedConstant.cs(114,20,114,30): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\ChildSyntaxList.cs(108,30,108,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\ChildSyntaxList.cs(148,30,148,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\ChildSyntaxList.cs(156,30,156,53): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\ChildSyntaxList.cs(159,48,159,58): warning CS8604: Possible null reference argument for parameter 'token' in 'SyntaxNodeOrToken.SyntaxNodeOrToken(SyntaxNode parent, GreenNode token, int position, int index)'. 1>Syntax\ChildSyntaxList.cs(189,40,189,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\ChildSyntaxList.cs(237,25,237,44): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\ChildSyntaxList.cs(245,48,245,53): warning CS8604: Possible null reference argument for parameter 'token' in 'SyntaxNodeOrToken.SyntaxNodeOrToken(SyntaxNode parent, GreenNode token, int position, int index)'. 1>Syntax\ChildSyntaxList.cs(269,30,269,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxTokenListBuilder.cs(92,52,92,56): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenListBuilder.cs(94,52,94,56): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenListBuilder.cs(96,52,96,56): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenListBuilder.cs(98,52,98,56): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNodeOrTokenListBuilder.cs(42,50,42,54): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\ChildSyntaxList.Enumerator.cs(88,24,88,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(80,39,80,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNodeExtensions.cs(33,55,33,59): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(95,39,95,43): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNodeOrTokenListBuilder.cs(108,30,108,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\InternalSyntax\SyntaxNodeCache.cs(175,35,175,61): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\InternalSyntax\SyntaxNodeCache.cs(175,35,175,61): warning CS8604: Possible null reference argument for parameter 'child' in 'bool SyntaxNodeCache.ChildInCache(GreenNode child)'. 1>Syntax\InternalSyntax\SyntaxNodeCache.cs(209,20,209,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNodeExtensions.cs(121,47,121,51): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\InternalSyntax\SyntaxNodeCache.cs(237,20,237,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(209,22,209,29): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(212,32,212,39): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxNodeCache.cs(265,20,265,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\InternalSyntax\SyntaxList1.cs(35,28,35,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\InternalSyntax\SyntaxList1.cs(42,28,42,55): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\InternalSyntax\SyntaxList1.cs(42,28,42,55): warning CS8603: Possible null reference return. 1>Syntax\InternalSyntax\SyntaxList1.cs(60,24,60,43): warning CS8603: Possible null reference return. 1>Syntax\SyntaxList.WithTwoChildren.cs(16,22,16,37): warning CS8618: Non-nullable field '_child0' is uninitialized. 1>Syntax\SyntaxList.WithTwoChildren.cs(16,22,16,37): warning CS8618: Non-nullable field '_child1' is uninitialized. 1>Syntax\SyntaxList.WithTwoChildren.cs(30,32,30,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList.WithTwoChildren.cs(43,32,43,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxListBuilderExtensions.cs(14,40,14,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxListBuilderExtensions.cs(14,46,14,66): warning CS8604: Possible null reference argument for parameter 'tokenOrList' in 'SyntaxTokenList.SyntaxTokenList(SyntaxNode parent, GreenNode tokenOrList, int position, int index)'. 1>Syntax\SyntaxListBuilderExtensions.cs(24,47,24,67): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxList.WithThreeChildren.cs(15,22,15,39): warning CS8618: Non-nullable field '_child0' is uninitialized. 1>Syntax\SyntaxList.WithThreeChildren.cs(15,22,15,39): warning CS8618: Non-nullable field '_child1' is uninitialized. 1>Syntax\SyntaxList.WithThreeChildren.cs(15,22,15,39): warning CS8618: Non-nullable field '_child2' is uninitialized. 1>Syntax\SyntaxListBuilderExtensions.cs(35,42,35,62): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxList.SeparatedWithManyChildren.cs(24,28,24,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList.SeparatedWithManyChildren.cs(35,28,35,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxListBuilderExtensions.cs(45,77,45,97): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxList.WithThreeChildren.cs(31,32,31,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList.WithThreeChildren.cs(46,32,46,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList.WithManyWeakChildren.cs(50,36,50,40): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxList.WithManyWeakChildren.cs(52,24,52,29): warning CS8603: Possible null reference return. 1>Syntax\SyntaxList.SeparatedWithManyWeakChildren.cs(21,37,21,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxList.SeparatedWithManyWeakChildren.cs(29,24,29,30): warning CS8603: Possible null reference return. 1>Syntax\SyntaxList.SeparatedWithManyWeakChildren.cs(34,37,34,41): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxList.SeparatedWithManyWeakChildren.cs(46,24,46,30): warning CS8603: Possible null reference return. 1>Syntax\InternalSyntax\SyntaxListBuilder1.cs(91,20,91,41): warning CS8603: Possible null reference return. 1>Syntax\SyntaxAnnotation.cs(36,16,36,32): warning CS8618: Non-nullable property 'Kind' is uninitialized. 1>Syntax\SyntaxAnnotation.cs(36,16,36,32): warning CS8618: Non-nullable property 'Data' is uninitialized. 1>Syntax\SeparatedSyntaxList.cs(122,34,122,39): warning CS8602: Possible dereference of a null reference. 1>Syntax\SeparatedSyntaxList.cs(123,57,123,62): warning CS8604: Possible null reference argument for parameter 'token' in 'SyntaxToken.SyntaxToken(SyntaxNode parent, GreenNode token, int position, int index)'. 1>Syntax\LineDirectiveMap.LineMappingEntry.cs(68,38,68,42): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxAnnotation.cs(109,32,109,55): warning CS8604: Possible null reference argument for parameter 'other' in 'bool SyntaxAnnotation.Equals(SyntaxAnnotation other)'. 1>Syntax\SeparatedSyntaxList.cs(192,20,192,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SeparatedSyntaxList.cs(207,20,207,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxDiffer.cs(66,76,66,85): warning CS8604: Possible null reference argument for parameter 'newText' in 'TextChange.TextChange(TextSpan span, string newText)'. 1>Syntax\SyntaxDiffer.cs(527,90,527,94): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(455,35,455,80): warning CS8604: Possible null reference argument for parameter 'value' in 'void ObjectWriter.WriteValue(object value)'. 1>Syntax\GreenNode.cs(456,35,456,80): warning CS8604: Possible null reference argument for parameter 'value' in 'void ObjectWriter.WriteValue(object value)'. 1>Syntax\SyntaxDiffer.cs(561,104,561,108): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList1.cs(49,24,49,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxDiffer.cs(690,24,690,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(736,51,736,55): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(738,66,738,70): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(739,67,739,71): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList1.cs(352,24,352,29): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxList1.cs(376,24,376,29): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(757,40,757,44): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(758,37,758,41): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(760,33,760,37): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(767,24,767,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(770,20,770,24): warning CS8603: Possible null reference return. 1>Syntax\GreenNode.cs(779,39,779,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(780,30,780,34): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(782,33,782,37): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(789,24,789,33): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(792,20,792,24): warning CS8603: Possible null reference return. 1>Syntax\GreenNode.cs(801,45,801,49): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(802,30,802,34): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(804,33,804,37): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(811,24,811,39): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(815,20,815,24): warning CS8603: Possible null reference return. 1>Syntax\GreenNode.cs(844,29,844,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(849,29,849,45): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\GreenNode.cs(852,21,852,26): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(852,38,852,43): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(858,17,858,22): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(858,37,858,42): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(863,21,863,26): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(864,22,864,27): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(871,34,871,39): warning CS8602: Possible dereference of a null reference. 1>Syntax\GreenNode.cs(872,34,872,39): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxNavigator.cs(44,26,44,65): warning CS8626: No best nullability for operands of conditional expression 'SyntaxNavigator.SyntaxKinds' and 'int'. 1>Syntax\SyntaxNavigator.cs(45,26,45,65): warning CS8626: No best nullability for operands of conditional expression 'SyntaxNavigator.SyntaxKinds' and 'int'. 1>Syntax\SyntaxNavigator.cs(46,26,46,67): warning CS8626: No best nullability for operands of conditional expression 'SyntaxNavigator.SyntaxKinds' and 'int'. 1>Syntax\GreenNode.cs(894,24,894,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\GreenNode.cs(902,28,902,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(27,18,27,28): warning CS8618: Non-nullable field '_syntaxTree' is uninitialized. 1>Syntax\SyntaxNode.cs(42,27,42,31): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(142,112,142,116): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(160,98,160,102): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(177,115,177,119): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(195,101,195,105): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(218,58,218,63): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxNode.cs(218,117,218,121): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(237,22,237,27): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxNode.cs(240,62,240,67): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxNode.cs(240,118,240,122): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(250,32,250,36): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxNode.cs(253,24,253,29): warning CS8603: Possible null reference return. 1>Syntax\SyntaxNode.cs(263,27,263,37): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxNode.cs(268,43,268,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxNode.cs(272,28,272,40): warning CS8603: Possible null reference return. 1>Syntax\SyntaxNodeExtensions.cs(372,43,372,74): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxNodeExtensions.cs(372,43,372,74): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNodeExtensions.cs(414,44,414,75): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxNodeExtensions.cs(414,44,414,75): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(458,28,458,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxNode.cs(711,20,711,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNodeOrToken.cs(171,24,171,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.cs(933,41,933,83): warning CS8604: Possible null reference argument for parameter 'stepInto' in 'SyntaxTrivia SyntaxNode.FindTrivia(int position, Func<SyntaxTrivia, bool> stepInto)'. 1>Syntax\SyntaxNodeExtensions_Tracking.cs(123,23,123,27): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNodeOrToken.cs(799,43,799,47): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxNode.cs(1210,24,1210,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNodeOrTokenList.cs(115,33,115,38): warning CS8602: Possible dereference of a null reference. 1>Syntax\SyntaxNodeOrTokenList.cs(117,69,117,74): warning CS8604: Possible null reference argument for parameter 'token' in 'SyntaxToken.SyntaxToken(SyntaxNode parent, GreenNode token, int position, int index)'. 1>Syntax\SyntaxNode.Iterators.cs(59,30,59,34): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.Iterators.cs(92,24,92,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxToken.cs(303,29,303,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxToken.cs(333,29,333,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxToken.cs(382,29,382,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxNode.Iterators.cs(204,43,204,47): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxToken.cs(472,35,472,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxToken.cs(500,35,500,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(48,20,48,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(56,20,56,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(64,24,64,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(82,24,82,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(120,61,120,80): warning CS8604: Possible null reference argument for parameter 'token' in 'SyntaxToken.SyntaxToken(SyntaxNode parent, GreenNode token, int position, int index)'. 1>Syntax\SyntaxTree.cs(255,74,255,116): warning CS8604: Possible null reference argument for parameter 'baseFilePath' in 'string SourceReferenceResolver.NormalizePath(string path, string baseFilePath)'. 1>Syntax\SyntaxTreeExtensions.cs(23,31,23,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>Syntax\SyntaxTriviaList.cs(70,24,70,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTrivia.cs(197,20,197,75): warning CS8603: Possible null reference return. 1>Syntax\SyntaxTriviaList.cs(113,60,113,79): warning CS8604: Possible null reference argument for parameter 'triviaNode' in 'SyntaxTrivia.SyntaxTrivia(in SyntaxToken token, GreenNode triviaNode, int position, int index)'. 1>Syntax\SyntaxTokenList.cs(264,20,264,56): warning CS8603: Possible null reference return. 1>Syntax\SyntaxTriviaList.cs(438,20,438,56): warning CS8603: Possible null reference return. 1>Syntax\SyntaxTokenList.cs(358,40,358,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(374,40,374,44): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.cs(420,44,420,48): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTriviaList.Enumerator.cs(32,28,32,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.Enumerator.cs(65,28,65,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTriviaList.Enumerator.cs(45,28,45,32): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.Enumerator.cs(79,32,79,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.Reversed.cs(90,36,90,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTokenList.Reversed.cs(101,36,101,40): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Syntax\SyntaxTriviaList.Enumerator.cs(85,32,85,36): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>TreeDumper.cs(227,73,227,77): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>XmlFileResolver.cs(73,20,73,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Compilers\Core\AnalyzerDriver\DeclarationComputer.cs(23,63,23,92): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>C:\repos\roslyn\src\Compilers\Core\AnalyzerDriver\DeclarationComputer.cs(23,63,23,92): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Compilers\Core\AnalyzerDriver\DeclarationComputer.cs(40,24,40,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>C:\repos\roslyn\src\Dependencies\CodeAnalysis.Debugging\CustomDebugInfoEncoder.cs(43,24,43,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\SpecializedCollections.Singleton.Enumerator1.cs(25,47,25,57): warning CS8603: Possible null reference return. 1>InternalUtilities\SpecializedCollections.ReadOnly.Set.cs(37,28,37,38): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Set.cs(42,28,42,38): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Set.cs(47,28,47,38): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Set.cs(52,28,52,38): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Set.cs(57,28,57,38): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Set.cs(62,28,62,38): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Enumerable2.cs(21,28,21,43): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Enumerable`1.cs(23,28,23,43): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Collection.cs(32,28,32,43): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Collection.cs(37,21,37,36): warning CS8602: Possible dereference of a null reference. 1>InternalUtilities\SpecializedCollections.ReadOnly.Collection.cs(44,32,44,47): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SeparatedSyntaxListBuilder.cs(101,76,101,97): warning CS8604: Possible null reference argument for parameter 'node' in 'SyntaxList.SyntaxList(GreenNode node)'. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(27,31,27,49): warning CS8604: Possible null reference argument for parameter 'arg' in 'bool Func<DiagnosticInfo, bool>.Invoke(DiagnosticInfo arg)'. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(71,37,71,43): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(72,32,72,38): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(78,25,78,31): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(82,37,82,43): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(93,25,93,31): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(135,31,135,37): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(137,49,137,55): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(138,45,138,51): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxDiagnosticInfoList.cs(142,17,142,23): warning CS8602: Possible dereference of a null reference. 1>Syntax\InternalSyntax\SyntaxListBuilder.cs(54,30,54,45): warning CS8604: Possible null reference argument for parameter 'item' in 'void SyntaxListBuilder.Add(GreenNode item)'. 1>Syntax\InternalSyntax\SyntaxListBuilder.cs(192,46,192,58): warning CS8604: Possible null reference argument for parameter 'node' in 'SyntaxList.SyntaxList(GreenNode node)'. 1>Syntax\InternalSyntax\SyntaxListBuilder.cs(197,42,197,54): warning CS8604: Possible null reference argument for parameter 'node' in 'SyntaxList.SyntaxList(GreenNode node)'. 1>Syntax\InternalSyntax\SyntaxListBuilderExtensions.cs(19,42,19,62): warning CS8604: Possible null reference argument for parameter 'node' in 'SyntaxList.SyntaxList(GreenNode node)'. 1>InternalUtilities\StringExtensions.cs(145,20,145,103): warning CS8603: Possible null reference return. 1>InternalUtilities\StringExtensions.cs(161,22,161,26): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(72,18,72,22): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(63,18,63,46): warning CS8618: Non-nullable field '_mvidField' is uninitialized. 1>InternalUtilities\StringTable.cs(89,44,89,48): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(90,70,90,74): warning CS8604: Possible null reference argument for parameter 'pool' in 'StringTable.StringTable(ObjectPool pool)'. 1>InternalUtilities\TextKeyedCache.cs(73,18,73,22): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\TextKeyedCache.cs(80,17,80,31): warning CS8618: Non-nullable field '_random' is uninitialized. 1>InternalUtilities\TextKeyedCache.cs(91,50,91,54): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\TextKeyedCache.cs(92,82,92,86): warning CS8604: Possible null reference argument for parameter 'pool' in 'TextKeyedCache.TextKeyedCache(ObjectPool<TextKeyedCache> pool)'. 1>InternalUtilities\TextKeyedCache.cs(139,20,139,24): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(171,103,171,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\TextKeyedCache.cs(147,34,147,38): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\TextKeyedCache.cs(164,25,164,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\TextKeyedCache.cs(175,20,175,21): warning CS8603: Possible null reference return. 1>InternalUtilities\StringTable.cs(287,24,287,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(303,25,303,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(314,20,314,21): warning CS8603: Possible null reference return. 1>InternalUtilities\StringTable.cs(322,24,322,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(338,25,338,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(349,20,349,21): warning CS8603: Possible null reference return. 1>InternalUtilities\UICultureUtilities.cs(25,30,25,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(32,30,32,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(39,30,39,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(48,26,48,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(63,30,63,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(71,30,71,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(78,30,78,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(85,30,85,34): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(97,26,97,30): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\UICultureUtilities.cs(107,41,107,45): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\WeakList.cs(126,35,126,39): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\XmlUtilities.cs(69,28,69,32): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\XmlUtilities.cs(82,24,82,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>InternalUtilities\XmlUtilities.cs(88,24,88,28): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>Serialization\ObjectReader.cs(272,29,272,33): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(367,77,367,81): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(385,70,385,74): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(423,78,423,82): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SequencePointList.cs(35,17,35,34): warning CS8618: Non-nullable field '_tree' is uninitialized. 1>CodeGen\SequencePointList.cs(35,17,35,34): warning CS8618: Non-nullable field '_next' is uninitialized. 1>CodeGen\PrivateImplementationDetails.cs(543,90,543,94): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SequencePointList.cs(41,17,41,34): warning CS8618: Non-nullable field '_next' is uninitialized. 1>CodeGen\PrivateImplementationDetails.cs(545,84,545,88): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(547,86,547,90): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(549,103,549,107): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(551,80,551,84): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(553,88,553,92): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(555,97,555,101): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\PrivateImplementationDetails.cs(557,74,557,78): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SignatureOnlyLocalDefinition.cs(70,31,70,35): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\ReferenceDependencyWalker.cs(47,49,47,89): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\ReferenceDependencyWalker.cs(54,53,54,95): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\ReferenceDependencyWalker.cs(68,55,68,98): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\SequencePointList.cs(58,39,58,43): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\SequencePointList.cs(58,55,58,59): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\SequencePointList.cs(83,20,83,25): warning CS8603: Possible null reference return. 1>CodeGen\SequencePointList.cs(119,31,119,35): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\SequencePointList.cs(120,57,120,61): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>CodeGen\SequencePointList.cs(129,70,129,115): warning CS8604: Possible null reference argument for parameter 'basePath' in 'DebugSourceDocument DebugDocumentProvider.Invoke(string path, string basePath)'. 1>CodeGen\SequencePointList.cs(156,86,156,90): warning CS8625: Cannot convert null literal to non-nullable reference or unconstrained type parameter. 1>CodeGen\SequencePointList.cs(176,86,176,132): warning CS8604: Possible null reference argument for parameter 'basePath' in 'DebugSourceDocument DebugDocumentProvider.Invoke(string path, string basePath)'. 1>InternalUtilities\StringTable.cs(357,24,357,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(373,25,373,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(384,20,384,21): warning CS8603: Possible null reference return. 1>InternalUtilities\StringTable.cs(392,24,392,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(407,25,407,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(418,20,418,21): warning CS8603: Possible null reference return. 1>InternalUtilities\StringTable.cs(426,24,426,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(442,25,442,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(453,20,453,21): warning CS8603: Possible null reference return. 1>InternalUtilities\StringTable.cs(461,24,461,28): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(477,25,477,29): warning CS8600: Converting null literal or possible null value to non-nullable type. 1>InternalUtilities\StringTable.cs(488,20,488,21): warning CS8603: Possible null reference return. 1>CodeAnalysis -> C:\repos\roslyn\Binaries\Debug\Dlls\CodeAnalysis\Microsoft.CodeAnalysis.dll 1>Done building project "CodeAnalysis.csproj". ========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========

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