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<base href="https://bugs.webkit.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - CRASH: CodeBlock::setOptimizationThresholdBasedOnCompilationResult + 567"
href="https://bugs.webkit.org/show_bug.cgi?id=151892">151892</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>CRASH: CodeBlock::setOptimizationThresholdBasedOnCompilationResult + 567
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>JavaScriptCore
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>msaboff@apple.com
</td>
</tr></table>
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<div>
<pre>Backtrace like:
1 com.apple.JavaScriptCore 0x113ea02ce WTFCrash + 0x3e (Assertions.cpp:321)
<span class="quote">> 2 com.apple.JavaScriptCore 0x1138acbb7 JSC::CodeBlock::setOptimizationThresholdBasedOnCompilationResult(JSC::CompilationResult) + 0x237 (DataLog.h:45)</span >
3 com.apple.JavaScriptCore 0x113c16e4c JSC::JITToDFGDeferredCompilationCallback::compilationDidComplete(JSC::CodeBlock*, JSC::CompilationResult) + 0x8c (JITToDFGDeferredCompilationCallback.cpp:69)
4 com.apple.JavaScriptCore 0x113aac7d4 JSC::DFG::Worklist::completeAllReadyPlansForVM(JSC::VM&, JSC::DFG::CompilationKey) + 0x104 (DFGCompilationKey.h:74)
5 com.apple.JavaScriptCore 0x113aaca0e JSC::DFG::Worklist::completeAllPlansForVM(JSC::VM&) + 0x3e (HeapInlines.h:308)
6 com.apple.JavaScriptCore 0x113aadde8 JSC::DFG::completeAllPlansForVM(JSC::VM&) + 0x38 (DFGWorklist.cpp:453)
7 com.apple.JavaScriptCore 0x1138ea488 JSC::Debugger::exception(JSC::ExecState*, JSC::JSValue, bool) + 0x68 (JSCInlines.h:66)
8 com.apple.JavaScriptCore 0x113bc0cb5 JSC::Interpreter::unwind(void*&, JSC::ExecState*&, JSC::Exception*) + 0x155 (Interpreter.cpp:691)
9 com.apple.JavaScriptCore 0x113bde07a JSC::genericUnwind(JSC::VM*, JSC::ExecState*) + 0x5a (JITExceptions.cpp:57)
10 0x00004e6b5a801060 0 + 86222986809440
11 com.apple.JavaScriptCore 0x113d1ef10 llint_entry + 0x58c7
12 com.apple.JavaScriptCore 0x113d1ef10 llint_entry + 0x58c7
13 com.apple.JavaScriptCore 0x113d19439 vmEntryToJavaScript + 0x146
14 com.apple.JavaScriptCore 0x113bdc7d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 0xa9 (JITCode.cpp:82)
15 com.apple.JavaScriptCore 0x113bc397a JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 0x1ba (Interpreter.cpp:946)
16 com.apple.JavaScriptCore 0x1138947a7 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 0x47 (MarkedBlock.h:250)
17 com.apple.WebCore 0x114a31dda WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 0x3ea (JSMainThreadExecState.h:56)
18 com.apple.WebCore 0x11467607b WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow, 16ul>&) + 0x27b (InspectorInstrumentation.h:283)
19 com.apple.WebCore 0x114675d40 WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 0xe0 (EventTarget.cpp:208)
20 com.apple.WebCore 0x114675c3d WebCore::EventTarget::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) + 0x5d (PassRefPtr.h:68)
...</pre>
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