[Webkit-unassigned] [Bug 112900] New: [Qt] Crash in RenderTableSection::paintObject in optimized MSVC 2012 build.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=112900

           Summary: [Qt] Crash in RenderTableSection::paintObject in
                    optimized MSVC 2012 build.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: michael.bruning at digia.com


Created an attachment (id=194227)
 --> (https://bugs.webkit.org/attachment.cgi?id=194227&action=review)
Stack trace with method names and arguments.

QtWebKit crashes RenderTableSection::paintObject on Windows 64 bit with the MSVC 2012 compiler when optimization is turned on. Turning optimization off for this method prevents the crash.

The stack trace and disassembly are attached. The access violation causing the crash happens at "000007F8C066032D  mov         rcx,qword ptr [rax+r15+8]" in the disassembly. 

Will make a reduced test case and report to Microsoft with that.

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