[Webkit-unassigned] [Bug 130106] New: DYEBench hits an assertion in JSC::DFG::DCEPhase::fixupBlock DFGDCEPhase.cpp(186)
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Mar 11 18:07:20 PDT 2014
https://bugs.webkit.org/show_bug.cgi?id=130106
Summary: DYEBench hits an assertion in
JSC::DFG::DCEPhase::fixupBlock DFGDCEPhase.cpp(186)
Product: WebKit
Version: 528+ (Nightly build)
Platform: Unspecified
OS/Version: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: rniwa at webkit.org
CC: ggaren at apple.com, fpizlo at apple.com,
mhahnenberg at apple.com
Depends on: 130069
With the patch on the bug 130069, we're not hitting the following assertion:
SHOULD NEVER BE REACHED
/Volumes/Data/webkit3/Source/JavaScriptCore/dfg/DFGDCEPhase.cpp(186) : void JSC::DFG::DCEPhase::fixupBlock(JSC::DFG::BasicBlock *)
1 0x10c95c3d0 WTFCrash
2 0x10c3f16a1 JSC::DFG::DCEPhase::fixupBlock(JSC::DFG::BasicBlock*)
3 0x10c3f11ce JSC::DFG::DCEPhase::run()
4 0x10c3f03a5 bool JSC::DFG::runAndLog<JSC::DFG::DCEPhase>(JSC::DFG::DCEPhase&)
5 0x10c3f032e bool JSC::DFG::runPhase<JSC::DFG::DCEPhase>(JSC::DFG::Graph&)
6 0x10c3f02e8 JSC::DFG::performDCE(JSC::DFG::Graph&)
7 0x10c4a6360 JSC::DFG::Plan::compileInThreadImpl(JSC::DFG::LongLivedState&)
8 0x10c4a5a94 JSC::DFG::Plan::compileInThread(JSC::DFG::LongLivedState&, JSC::DFG::ThreadData*)
9 0x10c548ef0 JSC::DFG::Worklist::runThread(JSC::DFG::ThreadData*)
10 0x10c547b44 JSC::DFG::Worklist::threadFunction(void*)
11 0x10c9abbf0 WTF::threadEntryPoint(void*)
12 0x10c9ac878 WTF::wtfThreadEntryPoint(void*)
13 0x7fff8f8d4899 _pthread_body
14 0x7fff8f8d472a _pthread_struct_init
15 0x7fff8f8d8fc9 thread_start
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