[Bug 26791] New: backtraces broken on gcc 4.7

http://bugs.winehq.org/show_bug.cgi?id=26791

Summary: backtraces broken on gcc 4.7
           Product: Wine
           Version: 1.3.17
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Keywords: download, source
          Severity: enhancement
          Priority: P2
         Component: dbghelp
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
                CC: [e-mail]

Part 2 of bug 26718

"yes the backtrace is wrong because gcc aligns main's stack on 16bit
boundaries,
and the dwarf unwinder isn't smart enough yet to cope with it"

Backtrace:
=>0 0x685e23ca func_debugger+0x3ba()
[/home/austin/wine-git/dlls/kernel32/tests/debugger.c:177] in kernel32_test
(0x00000003)
  1 0x6865afd4 main+0x393(argc=*** Invalid address 0x5c5c5c5c ***
, argv=*** Invalid address 0x5c5c5c60 ***
Internal symbol error: unable to access memory location 0x5c5c5c60)
[/home/austin/wine-git/dlls/kernel32/tests/../../../include/wine/test.h:556] in
kernel32_test (0x0033fe68)