[Bug 17414] New: user32/dde test crashes if +heap enabled

http://bugs.winehq.org/show_bug.cgi?id=17414

Summary: user32/dde test crashes if +heap enabled
           Product: Wine
           Version: 1.1.15
          Platform: PC
               URL: http://test.winehq.org/data/6a1537c4b5037be5253c33021fda
                    3a02430533f7/wine_xp_ae-ub-810-heap/riched32:editor.html
        OS/Version: Linux
            Status: NEW
          Keywords: download, source, testcase
          Severity: enhancement
          Priority: P2
         Component: user32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Created an attachment (id=19484)
 --> (http://bugs.winehq.org/attachment.cgi?id=19484)
backtrace in 1.1.15

wine: Unhandled page fault on read access to 0x00130000 at address 0x6045971b
(thread 0009), starting debugger...
...
=>0 0x6045971b CompareStringW+0x13b(lcid=1033, style=0, str1=0x130000, len1=0,
str2=0x6074c780, len2=-1)
[/home/austin/wine-git/dlls/kernel32/../../include/wine/unicode.h:216] in
kernel32 (0x0032f848)
  1 0x6045bed4 lstrcmpW+0x64(str1=<register EDI not in topmost frame>,
str2=<register ESI not in topmost frame>)
[/home/austin/wine-git/dlls/kernel32/locale.c:2834] in kernel32 (0x0032f878)
  2 0x60681d7a dde_server_wndprocW+0x3da(hwnd=0xe0028, msg=1000, wparam=458798,
lparam=<register EDI not in topmost frame>)
[/home/austin/wine-git/dlls/user32/tests/dde.c:1215] in user32_test
(0x0032f8b8)
  3 0x6082337a WINPROC_wrapper+0x1a() in user32 (0x0032f8e8)
  4 0x608237ca call_window_proc+0x6a(hwnd=<register EDI not in topmost frame>,
msg=<register ESI not in topmost frame>, wp=458798, lp=1204994,
result=0x32f998, arg=0x606819a0)
[/home/austin/wine-git/dlls/user32/winproc.c:458] in user32 (0x0032f928)
  5 0x60828af7 WINPROC_call_window+0xf7(hwnd=<register EDI not in topmost
frame>, msg=1000, wParam=458798, lParam=1204994, result=0x32f998, unicode=1,
mapping=WMCHAR_MAP_DISPATCHMESSAGE)
[/home/austin/wine-git/dlls/user32/winproc.c:2218] in user32 (0x0032f968)
  6 0x607e7ee6 DispatchMessageW+0x96(msg=<register EDI not in topmost frame>)
[/home/austin/wine-git/dlls/user32/message.c:3122] in user32 (0x0032f9a8)
  7 0x607a4037 WDML_SyncWaitTransactionReply+0xe7(hConv=0x1254b8,
dwTimeout=<register ESI not in topmost frame>, pXAct=0x125508, ack=0x32fb84)
[/home/austin/wine-git/dlls/user32/dde_client.c:1069] in user32 (0x0032fa08)
  8 0x607a4b21 DdeClientTransaction+0x651(pData="test dde command", cbData=17,
hConv=0x1254b8, hszItem=0xdead, wFmt=48879, wType=16464, dwTimeout=1000,
pdwResult=0x32fb84) [/home/austin/wine-git/dlls/user32/dde_client.c:1225] in
user32 (0x0032fa68)
  9 0x60686158 test_dde_aw_transaction+0x638()
[/home/austin/wine-git/dlls/user32/tests/dde.c:1374] in user32_test
(0x0032fb98)
...
216         while (*s) s++;

Attached is the backtrace...I've stripped out +heap, so the output is readable,
but easily reproducible.