[Bug 25920] New: winedbg does not work under clang

http://bugs.winehq.org/show_bug.cgi?id=25920

Summary: winedbg does not work under clang
           Product: Wine
           Version: 1.3.12
          Platform: x86
               URL: http://test.winehq.org/data/58786dc8ea237cf646e62edb86
                    5dc260684eb784/wine_ae-ub1004-clang/shdocvw:ie.html
        OS/Version: Linux
            Status: NEW
          Keywords: download, source
          Severity: normal
          Priority: P2
         Component: dbghelp
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Created an attachment (id=33039)
 --> (http://bugs.winehq.org/attachment.cgi?id=33039)
terminal output

When wine is compiled with clang, crashes do not get a good backtrace, instead,
I get something like:

../../../tools/runtest -q -P wine -M shdocvw.dll -T ../../.. -p
shdocvw_test.exe.so ie.c && touch ie.ok
wine: Unhandled page fault on write access to 0x00000028 at address 0x68e94653
(thread 0039), starting debugger...
Unhandled exception: page fault on write access to 0x00000028 in 32-bit code
(0x68e94653).
fixme:dbghelp:elf_new_wine_thunks Duplicate in L"oleaut32<elf>":
OLEFontImpl_IPersistPropertyBag_Load.sAttrName<68f7b37c-0000000a>
sAttrName<68f7b37c-0>
fixme:dbghelp:elf_new_wine_thunks Duplicate in L"oleaut32<elf>":
VarFormatPercent.szPercentBracket<68f853b6-00000006>
szPercentBracket<68f853b6-0>
...
fixme:dbghelp:elf_new_wine_thunks Duplicate in L"shdocvw_test<elf>":
test_ConnectionPoint.dw<685dc820-00000004> dw<685dc820-0>
fixme:dbghelp:elf_new_wine_thunks Duplicate in L"shdocvw_test<elf>":
CLSID_FileProtocol<685d4260-00000010> IID_IInternetSession<685d4260-0>
winedbg: Internal crash at 0x68641f3d

full output attached.

For building Wine with Clang, see http://wiki.winehq.org/Clang