176787 2017-09-12 09:07:57 -0700 REGRESSION: stress/value-to-boolean.js is timing out on JSC Debug bots 2017-09-12 09:35:37 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified NEW P2 Normal --- 1 ryanhaddad webkit-unassigned fpizlo jlewis3 oldest_to_newest 1347916 0 ryanhaddad 2017-09-12 09:07:57 -0700 stress/value-to-boolean.js is timing out on JSC Debug bots stress/value-to-boolean.js.no-llint: Timed out after 339.000000 sec seconds! stress/value-to-boolean.js.no-llint: 1 0x10ef37ced WTFCrash stress/value-to-boolean.js.no-llint: 2 0x10da9b316 startTimeoutThreadIfNeeded()::$_9::operator()() const stress/value-to-boolean.js.no-llint: 3 0x10da9b219 WTF::Function<void ()>::CallableWrapper<startTimeoutThreadIfNeeded()::$_9>::call() stress/value-to-boolean.js.no-llint: 4 0x10ef6c7eb WTF::Function<void ()>::operator()() const stress/value-to-boolean.js.no-llint: 5 0x10efb947f WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) stress/value-to-boolean.js.no-llint: 6 0x10efbec95 WTF::wtfThreadEntryPoint(void*) stress/value-to-boolean.js.no-llint: 7 0x7fffaa75893b _pthread_body stress/value-to-boolean.js.no-llint: 8 0x7fffaa758887 _pthread_body stress/value-to-boolean.js.no-llint: 9 0x7fffaa75808d thread_start stress/value-to-boolean.js.no-llint: test_script_23940: line 2: 73415 Segmentation fault: 11 ( "$@" ../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --maxPerThreadStackUsage\=1572864 --useLLInt\=false value-to-boolean.js ) stress/value-to-boolean.js.no-llint: ERROR: Unexpected exit code: 139 FAIL: stress/value-to-boolean.js.no-llint https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20JSC%20%28Tests%29/builds/1159 https://build.webkit.org/builders/Apple%20Sierra%20Debug%20JSC%20%28Tests%29/builds/988 1347928 1 ryanhaddad 2017-09-12 09:32:51 -0700 Skipped test on debug in https://trac.webkit.org/changeset/221919/webkit 1347933 2 ryanhaddad 2017-09-12 09:35:37 -0700 According to the results from https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20JSC%20(Tests)?numbuilds=50, the regression range seems to be between https://trac.webkit.org/changeset/221835 and https://trac.webkit.org/changeset/221838 Though, this does appear to be a flaky timeout.