[Bug 21336] New: wine's valgrind annotations for large heap realloc yield false positives

http://bugs.winehq.org/show_bug.cgi?id=21336

Summary: wine's valgrind annotations for large heap realloc
                    yield false positives
           Product: Wine
           Version: 1.1.36
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Keywords: source
          Severity: normal
          Priority: P2
         Component: ntdll
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Spotted and diagnosed by Lei Zhang.

http://build.chromium.org/buildbot/waterfall.fyi/builders/Chromium%20Linux%2...
has the error
Syscall param write(buf) points to uninitialised byte(s)
...
 Address 0x20350024 is 4 bytes inside a block of size 1,428,736 alloc'd
    at RtlReAllocateHeap (heap.c:247)

The problem is the heap annotations after realloc_large_block.