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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - RELEASE_ASSERT in JSC::Heap::incrementDeferralDepth() opening Web Inspector on daringfireball.net"
href="https://bugs.webkit.org/show_bug.cgi?id=148312">148312</a>
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<th>Summary</th>
<td>RELEASE_ASSERT in JSC::Heap::incrementDeferralDepth() opening Web Inspector on daringfireball.net
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Local Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>JavaScriptCore
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>timothy@apple.com
</td>
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<th>CC</th>
<td>bburg@apple.com, fpizlo@apple.com, ggaren@apple.com, joepeck@webkit.org, mark.lam@apple.com, msaboff@apple.com, timothy@apple.com
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<pre>Thread 1 Queue : com.apple.main-thread (serial)
#0 0x000000010284b9cd in JSC::Heap::incrementDeferralDepth() [inlined] at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/heap/HeapInlines.h:302
#1 0x000000010284b9cd in JSC::DeferGC::DeferGC(JSC::Heap&) [inlined] at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/heap/DeferGC.h:41
#2 0x000000010284b9cd in JSC::DeferGC::DeferGC(JSC::Heap&) [inlined] at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/heap/DeferGC.h:40
#3 0x000000010284b9cd in JSC::DFG::Worklist::completeAllPlansForVM(JSC::VM&) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/dfg/DFGWorklist.cpp:205
#4 0x000000010284cdd8 in JSC::DFG::completeAllPlansForVM(JSC::VM&) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/dfg/DFGWorklist.cpp:455
#5 0x0000000102689c6c in JSC::Debugger::recompileAllJSFunctions(JSC::VM*) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/debugger/Debugger.cpp:353
#6 0x0000000103b713d2 in WebCore::PageScriptDebugServer::recompileAllJSFunctions() at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebCore/inspector/PageScriptDebugServer.cpp:91
#7 0x00000001036c4e50 in WebCore::InspectorTimelineAgent::didCreateFrontendAndBackend(Inspector::FrontendChannel*, Inspector::BackendDispatcher*) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebCore/inspector/InspectorTimelineAgent.cpp:100
#8 0x00000001028fb2e4 in Inspector::AgentRegistry::didCreateFrontendAndBackend(Inspector::FrontendChannel*, Inspector::BackendDispatcher*) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/JavaScriptCore/inspector/InspectorAgentRegistry.cpp:55
#9 0x000000010365e623 in WebCore::InspectorController::connectFrontend(Inspector::FrontendChannel*, bool) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebCore/inspector/InspectorController.cpp:247
#10 0x0000000101865ae1 in IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::MessageDecoder&) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebKit2/Platform/IPC/MessageReceiverMap.cpp:102
#11 0x0000000101a208b8 in WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebKit2/WebProcess/WebProcess.cpp:618
#12 0x000000010181f8ec in IPC::Connection::dispatchMessage(IPC::MessageDecoder&) [inlined] at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:878
#13 0x000000010181f8df in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:901
#14 0x0000000101821fd5 in IPC::Connection::dispatchOneMessage() at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:929
#15 0x0000000102c5ff15 in std::__1::function<void ()>::operator()() const [inlined] at /Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.11.xctoolchain/usr/bin/../include/c++/v1/functional:1793
#16 0x0000000102c5ff0b in WTF::RunLoop::performWork() at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WTF/wtf/RunLoop.cpp:104
#17 0x0000000102c605f2 in WTF::RunLoop::performWork(void*) at /Users/Timothy/Work/Safari-TOT.git/OpenSource/Source/WTF/wtf/cf/RunLoopCF.cpp:38</pre>
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