[Webkit-unassigned] [Bug 130069] New: ASSERTION FAILED: node->op() == Phi || node->op() == SetArgument

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=130069

           Summary: ASSERTION FAILED: node->op() == Phi || node->op() ==
                    SetArgument
           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


Tools/Scripts/run-perf-tests PerformanceTests/DoYouEvenBench/Full.html --test-runner-count=4 --reset-results --debug

hits the following assertion

ASSERTION FAILED: node->op() == Phi || node->op() == SetArgument
/Volumes/Data/webkit/Source/JavaScriptCore/dfg/DFGDCEPhase.cpp(262) : void JSC::DFG::DCEPhase::cleanVariables(VariablesVectorType &) [VariablesVectorType = JSC::Operands<JSC::DFG::Node *, JSC::DFG::NodePointerTraits>]
1   0x1067dc750 WTFCrash
2   0x1062728e1 void JSC::DFG::DCEPhase::cleanVariables<JSC::Operands<JSC::DFG::Node*, JSC::DFG::NodePointerTraits> >(JSC::Operands<JSC::DFG::Node*, JSC::DFG::NodePointerTraits>&)
3   0x1062722d0 JSC::DFG::DCEPhase::fixupBlock(JSC::DFG::BasicBlock*)
4   0x106271e2e JSC::DFG::DCEPhase::run()
5   0x106271005 bool JSC::DFG::runAndLog<JSC::DFG::DCEPhase>(JSC::DFG::DCEPhase&)
6   0x106270f8e bool JSC::DFG::runPhase<JSC::DFG::DCEPhase>(JSC::DFG::Graph&)
7   0x106270f48 JSC::DFG::performDCE(JSC::DFG::Graph&)
8   0x106326f40 JSC::DFG::Plan::compileInThreadImpl(JSC::DFG::LongLivedState&)
9   0x106326674 JSC::DFG::Plan::compileInThread(JSC::DFG::LongLivedState&, JSC::DFG::ThreadData*)
10  0x1063c9ac0 JSC::DFG::Worklist::runThread(JSC::DFG::ThreadData*)
11  0x1063c8714 JSC::DFG::Worklist::threadFunction(void*)
12  0x10682bf70 WTF::threadEntryPoint(void*)
13  0x10682cbf8 WTF::wtfThreadEntryPoint(void*)
14  0x7fff8f8d4899 _pthread_body
15  0x7fff8f8d472a _pthread_struct_init
16  0x7fff8f8d8fc9 thread_start

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