[Mono-bugs] [Bug 376508] New: Compiler crash on invalid use of operator +

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=376508


           Summary: Compiler crash on invalid use of operator +
           Product: Mono: Compilers
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: atsushi at ximian.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


The following sample code causes (g)mcs crash:

using System;

public class Test
{
        public static void Main ()
        {
                Console.WriteLine ("+++" + Main);
        }
}


csc reports:

xxx.cs(7,22): error CS0019: Operator '+' cannot be applied to operands of type
        'string' and 'method group'

Exception caught by the compiler while compiling:
   Block that caused the problem begin at: xxx.cs(5,28):
                     Block being compiled: [xxx.cs(6,9):,xxx.cs(8,9):]
Mono.CSharp.InternalErrorException: Invalid conversion
Internal compiler error at xxx.cs(5,28):: exception caught while emitting
Method
Builder [Test::Main]

gmcs crashes:

Unhandled Exception: Mono.CSharp.InternalErrorException: Invalid conversion
  at Mono.CSharp.Binary.DoResolve (Mono.CSharp.EmitContext ec) [0x00000]
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec, ResolveFlags
fl
ags) [0x00000]
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec) [0x00000]
  at Mono.CSharp.Argument.Resolve (Mono.CSharp.EmitContext ec, Location loc)
[0x
00000]
  at Mono.CSharp.Invocation.DoResolve (Mono.CSharp.EmitContext ec) [0x00000]
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec, ResolveFlags
fl
ags) [0x00000]
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec) [0x00000]
  at Mono.CSharp.ExpressionStatement.ResolveStatement (Mono.CSharp.EmitContext
e
c) [0x00000]
  at Mono.CSharp.StatementExpression.Resolve (Mono.CSharp.EmitContext ec)
[0x000
00]
  at Mono.CSharp.Block.Resolve (Mono.CSharp.EmitContext ec) [0x00000]
  at Mono.CSharp.EmitContext.ResolveTopBlock (Mono.CSharp.EmitContext
anonymous_
method_host, Mono.CSharp.ToplevelBlock block, Mono.CSharp.Parameters ip,
IMethod
Data md, System.Boolean& unreachable) [0x00000]


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