Delta for dotty with explicit nulls (LOC modified, per file, decreasing)

gistfile1.txt

296 +- compiler/src/dotty/tools/dotc/core/Types.scala
268 - compiler/src/dotty/tools/dotc/core/JavaNull.scala
207 - compiler/src/dotty/tools/dotc/core/FlowFacts.scala
190 +- .../src/dotty/tools/dotc/core/Definitions.scala
137 +- compiler/src/dotty/tools/dotc/typer/Typer.scala
50 +- compiler/src/dotty/tools/dotc/typer/Namer.scala
47 +- .../dotc/parsing/xml/SymbolicXMLBuilder.scala
45 +- .../dotty/tools/dotc/transform/patmat/Space.scala
42 +- .../src/dotty/tools/dotc/typer/Implicits.scala
41 +- .../src/dotty/tools/dotc/typer/Applications.scala
41 +- .../dotty/tools/dotc/transform/ExpandSAMs.scala
24 +- .../src/dotty/tools/dotc/typer/RefChecks.scala
21 +- compiler/src/dotty/tools/dotc/core/Flags.scala
20 +- .../dotty/tools/dotc/transform/ElimRepeated.scala
19 +- .../src/dotty/tools/dotc/transform/Erasure.scala
18 +- compiler/src/dotty/tools/dotc/core/Contexts.scala
17 +- .../src/dotty/tools/dotc/core/SymDenotations.scala
17 +- .../dotc/core/unpickleScala2/Scala2Unpickler.scala
15 - compiler/src/dotty/tools/dotc/core/StdNames.scala
15 +- compiler/src/dotty/tools/dotc/core/Symbols.scala
13 +- .../src/dotty/tools/dotc/parsing/Parsers.scala
13 +- .../dotc/core/classfile/ClassfileParser.scala
12 +- .../tools/dotc/transform/FirstTransform.scala
10 +- .../src/dotty/tools/dotc/typer/ProtoTypes.scala
8 +- .../tools/dotc/transform/SyntheticMethods.scala
8 +- .../dotty/tools/dotc/core/TypeApplications.scala
7 +- .../src/dotty/tools/dotc/parsing/JavaParsers.scala
6 +- .../dotc/transform/CollectNullableFields.scala
4 +- .../tools/dotc/parsing/xml/MarkupParsers.scala
4 +- .../src/dotty/tools/dotc/core/TypeErasure.scala
3 - compiler/src/dotty/tools/dotc/ast/untpd.scala
3 +- .../src/dotty/tools/dotc/config/JavaPlatform.scala
1 - .../dotty/tools/dotc/config/ScalaSettings.scala