[Mono-bugs] [Bug 389272] New: PtrHashtable fails due to a alledged bug in TypeBuilder. GetHashCode (original Microsoft .NET Framework 2.0 SP1)

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https://bugzilla.novell.com/show_bug.cgi?id=389272


           Summary: PtrHashtable fails due to a alledged bug in
                    TypeBuilder.GetHashCode (original Microsoft .NET
                    Framework 2.0 SP1)
           Product: Mono: Compilers
           Version: 1.9.0
          Platform: x86
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: mihailik at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Other


Mono.CSharp.PtrHashtable
in support.cs ~333ln

Fails due to a alledged bug in TypeBuilder.GetHashCode (original Microsoft .NET
Framework 2.0 SP1)

for Enum type builders it throws InvalidOperationException 'Underlying type
information on enumeration is not specified.'




Proposed workaround is to add the following override to PtrHashtable:
#if MS_COMPATIBLE
        protected override int GetHash(object key)
        {
            if (key is Type && ((Type)key).IsEnum)
            {
                return ((Type)key).FullName.GetHashCode();
            }

            return key.GetHashCode();
        }
#endif


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