[Issue 11081] New: Win64: duplicate COMDAT with failed compilation with lambdas

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=11081

           Summary: Win64: duplicate COMDAT with failed compilation with
                    lambdas
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: r.sagitario at gmx.de


--- Comment #0 from Rainer Schuetze <r.sagitario at gmx.de> 2013-09-21 02:52:59 PDT ---
With current git-HEAD, this code snippet extracted from the std.exception
unittests:

T ifThrown2(E : Throwable, T)(T delegate(E) errorHandler)
{
    return errorHandler();
}

unittest
{
    static if (__traits(compiles, ifThrown2!Exception(e => 0)))
    {
    }
    static if (__traits(compiles, ifThrown2!Exception(e => 0)))
    {
    }
}

compiled with "dmd -m64 -unittest -main" results in:

test.obj : fatal error LNK1179: invalid or corrupt file: duplicate COMDAT
'_D4te
st15__unittestL32_5FZv17__T0TC9ExceptionZ0MFNaNbNfC9ExceptionZi'

This does not happen with dmd 2.063. The code actually does not compile, so it
seems that broken code is emitted to the object file.

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