[Webkit-unassigned] [Bug 98859] New: [Qt][WK2]REGRESSION(r130826): It made fast/js/sparse-array.html crash on 64 bit

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=98859

           Summary: [Qt][WK2]REGRESSION(r130826): It made
                    fast/js/sparse-array.html crash on 64 bit
           Product: WebKit
           Version: 420+
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: Qt, QtTriaged
          Severity: Critical
          Priority: P1
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ossy at webkit.org
                CC: loki at webkit.org, zherczeg at webkit.org,
                    kbalazs at webkit.org, fpizlo at apple.com,
                    mhahnenberg at apple.com
            Blocks: 97288


crash log for WebProcess (pid <unknown>):
STDOUT: <empty>
STDERR: 1   0x7f7d912b4038 /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0x1a60038) [0x7f7d912b4038]
STDERR: 2   0x7f7d8e19a420 /lib/x86_64-linux-gnu/libc.so.6(+0x36420) [0x7f7d8e19a420]
STDERR: 3   0x7f7d91243792 /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(JSC::JSObject::visitChildren(JSC::JSCell*, JSC::SlotVisitor&)+0x2d2) [0x7f7d91243792]
STDERR: 4   0x7f7d91059dd7 /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0x1805dd7) [0x7f7d91059dd7]
STDERR: 5   0x7f7d9104ad9a /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0x17f6d9a) [0x7f7d9104ad9a]
STDERR: 6   0x7f7d9104e20e /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0x17fa20e) [0x7f7d9104e20e]
STDERR: 7   0x7f7d8fee7ed4 /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0x693ed4) [0x7f7d8fee7ed4]
STDERR: 8   0x7f7d905b992a /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0xd6592a) [0x7f7d905b992a]
STDERR: 9   0x7f7d8ec5caf9 /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(QObject::event(QEvent*)+0x69) [0x7f7d8ec5caf9]
STDERR: 10  0x7f7d8f177744 /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtWidgets.so.5(QApplicationPrivate::notify_helper(QObject*, QEvent*)+0xb4) [0x7f7d8f177744]
STDERR: 11  0x7f7d8f17a7c1 /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtWidgets.so.5(QApplication::notify(QObject*, QEvent*)+0x3b1) [0x7f7d8f17a7c1]
STDERR: 12  0x7f7d8ec35f34 /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(QCoreApplication::notifyInternal(QObject*, QEvent*)+0x84) [0x7f7d8ec35f34]
STDERR: 13  0x7f7d8ec7ce1c /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(QTimerInfoList::activateTimers()+0x47c) [0x7f7d8ec7ce1c]
STDERR: 14  0x7f7d8ec7d6ad /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(+0x2596ad) [0x7f7d8ec7d6ad]
STDERR: 15  0x7f7d88ee6a5d /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x1dd) [0x7f7d88ee6a5d]
STDERR: 16  0x7f7d88ee7258 /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x45258) [0x7f7d88ee7258]
STDERR: 17  0x7f7d88ee7429 /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x69) [0x7f7d88ee7429]
STDERR: 18  0x7f7d8ec7ddd4 /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x64) [0x7f7d8ec7ddd4]
STDERR: 19  0x7f7d8ec34d5b /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+0xcb) [0x7f7d8ec34d5b]
STDERR: 20  0x7f7d8ec38660 /usr/local/Trolltech/Qt5/Qt-5.0.0-r37/lib/libQtCore.so.5(QCoreApplication::exec()+0x80) [0x7f7d8ec38660]
STDERR: 21  0x7f7d907d12ac /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(+0xf7d2ac) [0x7f7d907d12ac]
STDERR: 22  0x7f7d8fe7702d /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/lib/libQtWebKit.so.5(WebKit::WebProcessMainQt(QGuiApplication*)+0x36d) [0x7f7d8fe7702d]
STDERR: 23  0x400b99 /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/bin/QtWebProcess() [0x400b99]
STDERR: 24  0x7f7d8e18530d /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f7d8e18530d]
STDERR: 25  0x400c21 /home/webkitbuildbot/slaves/release64bitWebKit2_EC2/buildslave/qt-linux-64-release-webkit2/build/WebKitBuild/Release/bin/QtWebProcess() [0x400c21]

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