165674 2016-12-09 12:36:44 -0800 REGRESSION (r209558-209572): Unresolved visit race assertions on stress/materialize-past-butterfly-allocation.js 2016-12-11 17:17:19 -0800 1 1 1 Unclassified WebKit JavaScriptCore Other Unspecified Unspecified RESOLVED DUPLICATE 165672 Regression P2 Normal --- 1 ap webkit-unassigned fpizlo ryanhaddad webkit-bug-importer oldest_to_newest 1258245 0 ap 2016-12-09 12:36:44 -0800 On debug JSC bots. stress/materialize-past-butterfly-allocation.js.ftl-eager-no-cjit stress/materialize-past-butterfly-allocation.js.ftl-no-cjit-no-inline-validate stress/materialize-past-butterfly-allocation.js.ftl-no-cjit-no-put-stack-validate Unresolved visit races: 0x10c647fe0(JSObject::visitButterfly) SHOULD NEVER BE REACHED /Volumes/Data/slave/yosemite-debug/build/Source/JavaScriptCore/heap/Heap.cpp(933) : void JSC::Heap::endMarking() 1 0x105c0f9a0 WTFCrash 2 0x1053c0851 JSC::Heap::endMarking() 3 0x1053bfe4f JSC::Heap::markToFixpoint(double) 4 0x1053c2c45 JSC::Heap::collectInThread() 5 0x1053cda59 JSC::Heap::Thread::work() 6 0x105c74a13 WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0::operator()() const 7 0x105c747bd void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0&>(WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0&&&) 8 0x105c745ac std::__1::__function::__func<WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0, std::__1::allocator<WTF::AutomaticThread::start(WTF::Locker<WTF::LockBase> const&)::$_0>, void ()>::operator()() 9 0x105159f9a std::__1::function<void ()>::operator()() const 10 0x105c86fbe WTF::threadEntryPoint(void*) 11 0x105c88a61 WTF::wtfThreadEntryPoint(void*) 12 0x7fff8bd9805a _pthread_body 13 0x7fff8bd97fd7 _pthread_body 14 0x7fff8bd953ed thread_start 1258931 1 fpizlo 2016-12-11 17:17:19 -0800 *** This bug has been marked as a duplicate of bug 165672 ***