Defines a type C such that && doesn't work the way you expect

evil.il

//  Microsoft (R) .NET Framework IL Disassembler.  Version 4.6.1055.0
//  Copyright (c) Microsoft Corporation.  All rights reserved.



// Metadata version: v4.0.30319
.assembly extern mscorlib
{
  .publickeytoken = (B7 7A 5C 56 19 34 E0 89 )                         // .z\V.4..
  .ver 4:0:0:0
}
.assembly lib
{
  .custom instance void [mscorlib]System.Runtime.CompilerServices.CompilationRelaxationsAttribute::.ctor(int32) = ( 01 00 08 00 00 00 00 00 ) 
  .custom instance void [mscorlib]System.Runtime.CompilerServices.RuntimeCompatibilityAttribute::.ctor() = ( 01 00 01 00 54 02 16 57 72 61 70 4E 6F 6E 45 78   // ....T..WrapNonEx
                                                                                                             63 65 70 74 69 6F 6E 54 68 72 6F 77 73 01 )       // ceptionThrows.

  // --- The following custom attribute is added automatically, do not uncomment -------
  //  .custom instance void [mscorlib]System.Diagnostics.DebuggableAttribute::.ctor(valuetype [mscorlib]System.Diagnostics.DebuggableAttribute/DebuggingModes) = ( 01 00 07 01 00 00 00 00 ) 

  .custom instance void [mscorlib]System.Runtime.Versioning.TargetFrameworkAttribute::.ctor(string) = ( 01 00 1C 2E 4E 45 54 46 72 61 6D 65 77 6F 72 6B   // ....NETFramework
                                                                                                        2C 56 65 72 73 69 6F 6E 3D 76 34 2E 37 2E 32 01   // ,Version=v4.7.2.
                                                                                                        00 54 0E 14 46 72 61 6D 65 77 6F 72 6B 44 69 73   // .T..FrameworkDis
                                                                                                        70 6C 61 79 4E 61 6D 65 14 2E 4E 45 54 20 46 72   // playName..NET Fr
                                                                                                        61 6D 65 77 6F 72 6B 20 34 2E 37 2E 32 )          // amework 4.7.2
  .custom instance void [mscorlib]System.Reflection.AssemblyCompanyAttribute::.ctor(string) = ( 01 00 03 6C 69 62 00 00 )                         // ...lib..
  .custom instance void [mscorlib]System.Reflection.AssemblyConfigurationAttribute::.ctor(string) = ( 01 00 05 44 65 62 75 67 00 00 )                   // ...Debug..
  .custom instance void [mscorlib]System.Reflection.AssemblyFileVersionAttribute::.ctor(string) = ( 01 00 07 31 2E 30 2E 30 2E 30 00 00 )             // ...1.0.0.0..
  .custom instance void [mscorlib]System.Reflection.AssemblyInformationalVersionAttribute::.ctor(string) = ( 01 00 05 31 2E 30 2E 30 00 00 )                   // ...1.0.0..
  .custom instance void [mscorlib]System.Reflection.AssemblyProductAttribute::.ctor(string) = ( 01 00 03 6C 69 62 00 00 )                         // ...lib..
  .custom instance void [mscorlib]System.Reflection.AssemblyTitleAttribute::.ctor(string) = ( 01 00 03 6C 69 62 00 00 )                         // ...lib..
  .hash algorithm 0x00008004
  .ver 1:0:0:0
}
.module lib.dll
// MVID: {14AC17FD-E914-48B9-BB47-5ACE04294804}
.imagebase 0x10000000
.file alignment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003       // WINDOWS_CUI
.corflags 0x00000001    //  ILONLY
// Image base: 0x00D60000


// =============== CLASS MEMBERS DECLARATION ===================

.class public auto ansi beforefieldinit C
       extends [mscorlib]System.Object
{
  .method public hidebysig specialname instance class C 
          get_Prop() cil managed
  {
    // Code size       2 (0x2)
    .maxstack  8
    IL_0000:  ldnull
    IL_0001:  ret
  } // end of method C::get_Prop

  .method public hidebysig specialname static 
          class C  op_BitwiseAnd(class C left,
                                 class C right) cil managed
  {
    // Code size       2 (0x2)
    .maxstack  8
    IL_0000:  ldnull
    IL_0001:  ret
  } // end of method C::op_BitwiseAnd

  .method public hidebysig specialname static 
          bool  op_True(class C c) cil managed
  {
    // Code size       5 (0x5)
    .maxstack  8
    IL_0000:  ldarg.0
    IL_0001:  ldnull
    IL_0002:  cgt.un
    IL_0004:  ret
  } // end of method C::op_True

  .method public hidebysig specialname static 
          bool  op_False(class C c) cil managed
  {
    // Code size       5 (0x5)
    .maxstack  8
    IL_0000:  ldarg.0
    IL_0001:  ldnull
    IL_0002:  ceq
    IL_0004:  ret
  } // end of method C::op_False

  .method public hidebysig specialname static 
          class C op_Equality(class C left,
                            class C right) cil managed
  {
    // Code size       2 (0x2)
    .maxstack  8
    IL_0000:  ldc.i4.1
    IL_0001:  ret
  } // end of method C::op_Equality

  .method public hidebysig specialname static 
          class C op_Inequality(class C left,
                              class C right) cil managed
  {
    // Code size       2 (0x2)
    .maxstack  8
    IL_0000:  ldc.i4.1
    IL_0001:  ret
  } // end of method C::op_Inequality

  .method public hidebysig specialname rtspecialname 
          instance void  .ctor() cil managed
  {
    // Code size       8 (0x8)
    .maxstack  8
    IL_0000:  ldarg.0
    IL_0001:  call       instance void [mscorlib]System.Object::.ctor()
    IL_0006:  nop
    IL_0007:  ret
  } // end of method C::.ctor

  .property instance class C Prop()
  {
    .get instance class C C::get_Prop()
  } // end of property C::Prop
} // end of class C


// =============================================================

// *********** DISASSEMBLY COMPLETE ***********************
// WARNING: Created Win32 resource file lib.res