[Webkit-unassigned] [Bug 121648] New: REGRESSION(r156047): WebCore hangs inside JSC::toInt32(double)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=121648

           Summary: REGRESSION(r156047): WebCore hangs inside
                    JSC::toInt32(double)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: Regression
          Severity: Critical
          Priority: P1
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: ggaren at apple.com, oliver at apple.com, slewis at apple.com,
                    barraclough at apple.com, fpizlo at apple.com


e.g.

Running Time    Self        Symbol Name
15006.0ms   44.2%    15006.0         JSC::toInt32(double)
3067.0ms    9.0%    0.0          <Unknown Address>
2214.0ms    6.5%    0.0          0x3465719f9a52
2214.0ms    6.5%    0.0           JSC::JITCode::execute(JSC::JSStack*, JSC::ExecState*, JSC::VM*)
2214.0ms    6.5%    0.0            JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
2214.0ms    6.5%    0.0             JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
2214.0ms    6.5%    0.0              WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*)
2214.0ms    6.5%    0.0               WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow>&)

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