[Webkit-unassigned] [Bug 187698] New: [ 32-bit JSC tests] stress/spread-forward-varargs-stack-overflow.js is failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187698

            Bug ID: 187698
           Summary: [ 32-bit JSC tests]
                    stress/spread-forward-varargs-stack-overflow.js is
                    failing
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: David_fenton at apple.com
                CC: lforschler at apple.com

stress/spread-forward-varargs-stack-overflow.js appears to be timing out;

Root cause is currently unknown, but I'm investigating.  The test was first added at: https://trac.webkit.org/changeset/209121/webkit

Sample output: 
https://build.webkit.org/builders/Apple%20High%20Sierra%2032-bit%20JSC%20%28BuildAndTest%29/builds/2285/steps/webkit-32bit-jsc-test/logs/stdio

stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: Timed out after 339.000000 sec seconds!
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 1   0x2642ab WTFCrash
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 2   0xe1fbe startTimeoutThreadIfNeeded()::$_7::operator()() const
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 3   0xe1e9a WTF::Function<void ()>::CallableWrapper<startTimeoutThreadIfNeeded()::$_7>::call()
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 4   0x28c6c9 WTF::Function<void ()>::operator()() const
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 5   0x31c701 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 6   0x322597 WTF::wtfThreadEntryPoint(void*)
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 7   0xa77044d5 _pthread_body
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 8   0xa770437a _pthread_body
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: 9   0xa7703a56 thread_start
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: test_script_10339: line 2: 35215 Segmentation fault: 11  ( "$@" ../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --forceCodeBlockToJettisonDueToOldAge\=true --validateGraph\=true --useMaximalFlushInsertionPhase\=true --useConcurrentJIT\=false --thresholdForJITAfterWarmUp\=100 --scribbleFreeCells\=true spread-forward-varargs-stack-overflow.js )
stress/spread-forward-varargs-stack-overflow.js.dfg-maximal-flush-validate-no-cjit: ERROR: Unexpected exit code: 139

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