Bug 187961 – Placate exception check verification after recent changes.

• Component: JavaScriptCore
• Status: RESOLVED FIXED

[Mark Lam]

See JSC errors on the bots after this revision, is it related?

sample output:
https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20JSC%20%28Tests%29/builds/1302/steps/jscore-test/logs/stdio

ASSERTION FAILED: !m_needExceptionCheck
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: ./runtime/VM.cpp(1188) : void JSC::VM::verifyExceptionCheckNeedIsSatisfied(unsigned int, JSC::ExceptionEventLocation &)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 1   0x10a780dc9 WTFCrash
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 2   0x10bc07fe9 JSC::VM::verifyExceptionCheckNeedIsSatisfied(unsigned int, JSC::ExceptionEventLocation&)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 3   0x10bbe1a1b JSC::ThrowScope::~ThrowScope()
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 4   0x10bbe1df5 JSC::ThrowScope::~ThrowScope()
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 5   0x10b9e91bf JSC::intlNumberOption(JSC::ExecState&, JSC::JSValue, JSC::PropertyName, unsigned int, unsigned int, unsigned int)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 6   0x10b9dc745 JSC::IntlNumberFormat::initializeNumberFormat(JSC::ExecState&, JSC::JSValue, JSC::JSValue)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 7   0x10b9e037b JSC::constructIntlNumberFormat(JSC::ExecState*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 8   0x4e2c6ec90cd
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 9   0x10a874d5f llint_entry
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 10  0x10a86c3d2 vmEntryToJavaScript
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 11  0x10b6c2f2a JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 12  0x10b6c3503 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 13  0x10b95319a JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 14  0x10b92a315 JSC::arrayProtoFuncToLocaleString(JSC::ExecState*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 15  0x4e2c6ec9177
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 16  0x10a8749e6 llint_entry
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 17  0x10a86c3d2 vmEntryToJavaScript
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 18  0x10b6c2f2a JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 19  0x10b6bdfb1 JSC::Interpreter::execute(JSC::EvalExecutable*, JSC::ExecState*, JSC::JSValue, JSC::JSScope*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 20  0x10b6bc982 JSC::eval(JSC::ExecState*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 21  0x10b7adfc5 llint_slow_path_call_eval
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 22  0x10a875293 llint_entry
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 23  0x10a87496c llint_entry
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 24  0x10a8749e6 llint_entry
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 25  0x10a86c3d2 vmEntryToJavaScript
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 26  0x10b6c2f2a JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 27  0x10b6c24d1 JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::ExecState*, JSC::JSObject*)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 28  0x10b97b597 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 29  0x10a6bdd10 runWithOptions(GlobalObject*, CommandLine&, bool&)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 30  0x10a69567c jscmain(int, char**)::$_3::operator()(JSC::VM&, GlobalObject*, bool&) const
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: 31  0x10a67ce24 int runJSC<jscmain(int, char**)::$_3>(CommandLine, bool, jscmain(int, char**)::$_3 const&)
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: test_script_39150: line 2: 74689 Segmentation fault: 11  ( "$@" ../../../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --testTheFTL\=true --useFTLJIT\=true resources/standalone-pre.js array-string-recursion.js resources/standalone-post.js )
jsc-layout-tests.yaml/js/script-tests/array-string-recursion.js.layout: ERROR: Unexpected exit code: 139

[Radar WebKit Bug Importer]

<rdar://problem/42545394>

[Mark Lam]

Created attachment 345688 [details]
proposed patch.

[Mark Lam]

Comment on attachment 345688 [details]
proposed patch.

Thanks for the review.

[WebKit Commit Bot]

Comment on attachment 345688 [details]
proposed patch.

Clearing flags on attachment: 345688

Committed r234160: <https://trac.webkit.org/changeset/234160>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.