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C# decompilation does not show System.Enum derives from System.ValueTuple #1744

Naine opened this issue Oct 9, 2019 · 0 comments


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commented Oct 9, 2019

When decompiling any framework's core assembly or a core reference assembly (netstandard.dll, mscorlib.dll, System.Runtime.dll, System.Private.CoreLib.dll), the System.Enum class appears to implicitly derive directly from object, rather than from System.ValueTuple:

public abstract class Enum : IComparable, IConvertible, IFormattable

When decompiling to IL, the output is as expected:

.class public auto ansi abstract beforefieldinit System.Enum
    extends System.ValueType
    implements System.IComparable,

Bug has existed since 3.0 Preview 1, and is still present in

2.4 decompiles correctly:

public abstract class Enum : ValueType, IComparable, IConvertible, IFormattable
@siegfriedpammer siegfriedpammer self-assigned this Oct 9, 2019
fengjixuchui added a commit to fengjixuchui/ILSpy that referenced this issue Oct 9, 2019
Fix icsharpcode#1744: C# decompilation does not show System.Enum derives from Sy…
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