[Webkit-unassigned] [Bug 136241] New: [Win] 64-bit JavaScriptCore crashes on launch

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=136241

           Summary: [Win] 64-bit JavaScriptCore crashes on launch
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bfulgham at webkit.org


Windows 8, 64-bit.  

Attempting to run WinLauncher crashes on startup: r172942, and probably older.

     JavaScriptCore.dll!WTF::MallocPtr<wchar_t>::get() Line 59    C++
     JavaScriptCore.dll!JSC::JSPropertyNameEnumerator::identifierSet() Line 66    C++
>	JavaScriptCore.dll!JSC::StructureIDTable::get(unsigned int structureID) Line 87	C++
     JavaScriptCore.dll!JSC::JSCell::structure(JSC::VM & vm) Line 106    C++
     JavaScriptCore.dll!JSC::JSCell::classInfo() Line 239    C++
     JavaScriptCore.dll!JSC::JSCell::inherits(const JSC::ClassInfo * info) Line 209    C++
     JavaScriptCore.dll!JSC::jsCast<JSC::JSObject * __ptr64>(JSC::JSValue from) Line 241    C++
     JavaScriptCore.dll!JSC::Register::scope() Line 237    C++
     JavaScriptCore.dll!JSC::ExecState::scope() Line 50    C++
     JavaScriptCore.dll!JSC::StackVisitor::readNonInlinedFrame(JSC::ExecState * callFrame, JSC::CodeOrigin * codeOrigin) Line 124    C++
     JavaScriptCore.dll!JSC::StackVisitor::readFrame(JSC::ExecState * callFrame) Line 94    C++
     JavaScriptCore.dll!JSC::StackVisitor::gotoNextFrame() Line 69    C++
     JavaScriptCore.dll!JSC::StackVisitor::visit<JSC::GetStackTraceFunctor>(JSC::ExecState * startFrame, JSC::GetStackTraceFunctor & functor) Line 133    C++
     JavaScriptCore.dll!JSC::ExecState::iterate<JSC::GetStackTraceFunctor>(JSC::GetStackTraceFunctor & functor) Line 261    C++
     JavaScriptCore.dll!JSC::Interpreter::getStackTrace(WTF::Vector<JSC::StackFrame,0,WTF::CrashOnOverflow> & results, unsigned __int64 maxStackSize) Line 605    C++
     JavaScriptCore.dll!JSC::VM::throwException(JSC::ExecState * exec, JSC::JSValue error) Line 652    C++
     WebKit.dll!WebCore::setDOMException(JSC::ExecState * exec, int ec) Line 220    C++
     WebKit.dll!WebCore::jsElementPrototypeFunctionQuerySelectorAll(JSC::ExecState * exec) Line 3669    C++
     [External Code]

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