rofiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: ASSERTION FAILED: m_next == strlen(m_buffer) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: /Volumes/Data/slave/highsierra-debug/build/Source/WTF/wtf/StringPrintStream.cpp(88) : WTF::CString WTF::StringPrintStream::toCString() profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 1 0x10bc1c6e9 WTFCrash profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 2 0x10bc1d53b WTFCrashWithInfo(int, char const*, char const*, int) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 3 0x10bcba177 WTF::StringPrintStream::toCString() profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 4 0x10ceb8b97 JSC::Profiler::BytecodeSequence::BytecodeSequence(JSC::CodeBlock*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 5 0x10ceb94f3 JSC::Profiler::Bytecodes::Bytecodes(unsigned long, JSC::CodeBlock*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 6 0x10ceb9575 JSC::Profiler::Bytecodes::Bytecodes(unsigned long, JSC::CodeBlock*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 7 0x10cebca85 JSC::Profiler::Database::ensureBytecodesFor(WTF::AbstractLocker const&, JSC::CodeBlock*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 8 0x10cebe400 JSC::Profiler::Database::logEvent(JSC::CodeBlock*, char const*, WTF::CString const&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 9 0x10d182112 void JSC::VM::logEvent<JSC::ScriptExecutable::installCode(JSC::VM&, JSC::CodeBlock*, JSC::CodeType, JSC::CodeSpecializationKind)::$_12>(JSC::CodeBlock*, char const*, JSC::ScriptExecutable::installCode(JSC::VM&, JSC::CodeBlock*, JSC::CodeType, JSC::CodeSpecializationKind)::$_12 const&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 10 0x10d1817d4 JSC::ScriptExecutable::installCode(JSC::VM&, JSC::CodeBlock*, JSC::CodeType, JSC::CodeSpecializationKind) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 11 0x10d18401c JSC::ScriptExecutable::prepareForExecutionImpl(JSC::VM&, JSC::JSFunction*, JSC::JSScope*, JSC::CodeSpecializationKind, JSC::CodeBlock*&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 12 0x10cc71e90 JSC::JSObject* JSC::ScriptExecutable::prepareForExecution<JSC::FunctionExecutable>(JSC::VM&, JSC::JSFunction*, JSC::JSScope*, JSC::CodeSpecializationKind, JSC::CodeBlock*&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 13 0x10cd6f034 JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 14 0x10cd6dc75 JSC::LLInt::genericCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 15 0x10cd6db21 llint_slow_path_call profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 16 0x10c0c669d llint_entry profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 17 0x10c0c66af llint_entry profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 18 0x10c0c66af llint_entry profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 19 0x10c0bdfc9 vmEntryToJavaScript profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 20 0x10cc7163e JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 21 0x10cc70baf JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::ExecState*, JSC::JSObject*) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 22 0x10cf4a0d5 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 23 0x10b9f819e runWithOptions(GlobalObject*, CommandLine&, bool&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 24 0x10b9cfa6c jscmain(int, char**)::$_3::operator()(JSC::VM&, GlobalObject*, bool&) const profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 25 0x10b9b4864 int runJSC<jscmain(int, char**)::$_3>(CommandLine, bool, jscmain(int, char**)::$_3 const&) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 26 0x10b9b334f jscmain(int, char**) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 27 0x10b9b32ae main profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 28 0x7fff5f34f015 start profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: 29 0xa profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: test_script_39646: line 2: 56581 Segmentation fault: 11 ( "$@" ../../../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useConcurrentJIT\=false -p /Volumes/Data/slave/highsierra-debug-tests-jsc/build/WebKitBuild/Debug/jsc-stress-results/_payload/temp-18.json date-format-xparb.js ) profiler-test.yaml/tests/sunspider-1.0/date-format-xparb.js.profiler-simple: ERROR: Unexpected exit code: 139
This is seen on the 32-bit JSC and Debug JSC bots: https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20JSC%20(Tests)/builds/1614/steps/jscore-test/logs/stdio
*** Bug 190769 has been marked as a duplicate of this bug. ***
<rdar://problem/45422770>
Moving to Verify per radar comments.