https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20JSC%20%28Tests%29/builds/4424/steps/jscore-test/logs/stdio stress/rest-parameter-basics.js.default: ASSERTION FAILED: op() == CreateRest || op() == GetRestLength || op() == GetMyArgumentByVal || op() == GetMyArgumentByValOutOfBounds stress/rest-parameter-basics.js.default: /Volumes/Data/slave/elcapitan-debug/build/Source/JavaScriptCore/dfg/DFGNode.h(2393) : unsigned int JSC::DFG::Node::numberOfArgumentsToSkip() stress/rest-parameter-basics.js.default: 1 0x102a28790 WTFCrash stress/rest-parameter-basics.js.default: 2 0x101c8dd38 JSC::DFG::Node::numberOfArgumentsToSkip() stress/rest-parameter-basics.js.default: 3 0x101c9237b JSC::DFG::emitCodeToGetArgumentsArrayLength(JSC::DFG::InsertionSet&, JSC::DFG::Node*, unsigned int, JSC::DFG::NodeOrigin) stress/rest-parameter-basics.js.default: 4 0x101c7be74 JSC::DFG::(anonymous namespace)::ArgumentsEliminationPhase::transform()::'lambda'(JSC::DFG::Node*)::operator()(JSC::DFG::Node*) const stress/rest-parameter-basics.js.default: 5 0x101c6765a JSC::DFG::(anonymous namespace)::ArgumentsEliminationPhase::transform() stress/rest-parameter-basics.js.default: 6 0x101c66039 JSC::DFG::(anonymous namespace)::ArgumentsEliminationPhase::run() stress/rest-parameter-basics.js.default: 7 0x101c65df2 bool JSC::DFG::runAndLog<JSC::DFG::(anonymous namespace)::ArgumentsEliminationPhase>(JSC::DFG::(anonymous namespace)::ArgumentsEliminationPhase&) stress/rest-parameter-basics.js.default: 8 0x101c65d55 bool JSC::DFG::runPhase<JSC::DFG::(anonymous namespace)::ArgumentsEliminationPhase>(JSC::DFG::Graph&) stress/rest-parameter-basics.js.default: 9 0x101c65d25 JSC::DFG::performArgumentsElimination(JSC::DFG::Graph&) stress/rest-parameter-basics.js.default: 10 0x101f78a80 JSC::DFG::Plan::compileInThreadImpl(JSC::DFG::LongLivedState&) stress/rest-parameter-basics.js.default: 11 0x101f770db JSC::DFG::Plan::compileInThread(JSC::DFG::LongLivedState&, JSC::DFG::ThreadData*) stress/rest-parameter-basics.js.default: 12 0x1020e8ae0 JSC::DFG::Worklist::ThreadBody::work() stress/rest-parameter-basics.js.default: 13 0x102a8eaa1 WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0::operator()() const stress/rest-parameter-basics.js.default: 14 0x102a8e85d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0&>(WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0&&&) stress/rest-parameter-basics.js.default: 15 0x102a8e66c std::__1::__function::__func<WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0, std::__1::allocator<WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0>, void ()>::operator()() stress/rest-parameter-basics.js.default: 16 0x101fe90aa std::__1::function<void ()>::operator()() const stress/rest-parameter-basics.js.default: 17 0x102aa13be WTF::threadEntryPoint(void*) stress/rest-parameter-basics.js.default: 18 0x102aa2e61 WTF::wtfThreadEntryPoint(void*) stress/rest-parameter-basics.js.default: 19 0x7fff8919799d _pthread_body stress/rest-parameter-basics.js.default: 20 0x7fff8919791a _pthread_body stress/rest-parameter-basics.js.default: 21 0x7fff89195351 thread_start stress/rest-parameter-basics.js.default: test_script_13721: line 2: 36143 Segmentation fault: 11 ( "$@" ../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --maxPerThreadStackUsage\=1572864 --useFTLJIT\=true rest-parameter-basics.js ) stress/rest-parameter-basics.js.default: ERROR: Unexpected exit code: 139
** The following JSC stress test failures have been introduced: microbenchmarks/rest-parameter-allocation-elimination.js.default microbenchmarks/rest-parameter-allocation-elimination.js.ftl-eager microbenchmarks/rest-parameter-allocation-elimination.js.ftl-eager-no-cjit microbenchmarks/rest-parameter-allocation-elimination.js.ftl-no-cjit-no-inline-validate microbenchmarks/rest-parameter-allocation-elimination.js.ftl-no-cjit-no-put-stack-validate microbenchmarks/rest-parameter-allocation-elimination.js.ftl-no-cjit-small-pool microbenchmarks/rest-parameter-allocation-elimination.js.ftl-no-cjit-validate-sampling-profiler microbenchmarks/rest-parameter-construction-performance.js.default microbenchmarks/rest-parameter-construction-performance.js.ftl-eager microbenchmarks/rest-parameter-construction-performance.js.ftl-eager-no-cjit microbenchmarks/rest-parameter-construction-performance.js.ftl-no-cjit-no-put-stack-validate microbenchmarks/rest-parameter-construction-performance.js.ftl-no-cjit-small-pool microbenchmarks/rest-parameter-construction-performance.js.ftl-no-cjit-validate-sampling-profiler stress/proxy-call.js.ftl-eager-no-cjit stress/proxy-construct.js.ftl-eager-no-cjit stress/rest-parameter-basics.js.default stress/rest-parameter-basics.js.ftl-eager stress/rest-parameter-basics.js.ftl-eager-no-cjit stress/rest-parameter-basics.js.ftl-no-cjit-no-inline-validate stress/rest-parameter-basics.js.ftl-no-cjit-no-put-stack-validate stress/rest-parameter-basics.js.ftl-no-cjit-small-pool stress/rest-parameter-basics.js.ftl-no-cjit-validate-sampling-profiler stress/rest-parameter-is-destructuring.js.ftl-eager-no-cjit stress/rest-parameter-various-types.js.default stress/rest-parameter-various-types.js.ftl-eager stress/rest-parameter-various-types.js.ftl-eager-no-cjit stress/rest-parameter-various-types.js.ftl-no-cjit-no-put-stack-validate stress/rest-parameter-various-types.js.ftl-no-cjit-validate-sampling-profiler
Started with https://trac.webkit.org/changeset/208208
*** This bug has been marked as a duplicate of bug 164276 ***