LayoutTest inspector/formatting/formatting-javascript.html is a flaky crash https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK1%20(Tests)/builds/314 https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=inspector%2Fformatting%2Fformatting-javascript.html ASSERTION FAILED: thisObject->m_propertyTableUnsafe /Volumes/Data/slave/sierra-debug/build/Source/JavaScriptCore/runtime/Structure.cpp(1127) : static void JSC::Structure::visitChildren(JSC::JSCell *, JSC::SlotVisitor &) 1 0x10ef71acd WTFCrash 2 0x10eda6bb2 JSC::Structure::visitChildren(JSC::JSCell*, JSC::SlotVisitor&) 3 0x10ed84496 JSC::SlotVisitor::visitChildren(JSC::JSCell const*) 4 0x10ed84280 JSC::SlotVisitor::drain() 5 0x10ed85172 JSC::SlotVisitor::donateAndDrain() 6 0x10e7dfc8a JSC::Heap::visitConservativeRoots(JSC::ConservativeRoots&) 7 0x10e7df5be JSC::Heap::markRoots(double, void*, void*, int (&) [37]) 8 0x10e7e32fc JSC::Heap::collectImpl(JSC::HeapOperation, void*, void*, int (&) [37]) 9 0x10e7e2bdd JSC::Heap::collectWithoutAnySweep(JSC::HeapOperation) 10 0x10e7e2d50 JSC::Heap::collect(JSC::HeapOperation) 11 0x10dfcb637 JSC::Heap::collectIfNecessaryOrDefer(JSC::GCDeferralContext*) 12 0x10dfcb4af JSC::Heap::decrementDeferralDepthAndGCIfNeeded() 13 0x10dfcb458 JSC::DeferGC::~DeferGC() 14 0x10dfcafc5 JSC::DeferGC::~DeferGC() 15 0x10eda9471 JSC::Structure::takePropertyTableOrCloneIfPinned(JSC::VM&) 16 0x10eda8e7a JSC::Structure::addNewPropertyTransition(JSC::VM&, JSC::Structure*, JSC::PropertyName, unsigned int, int&, JSC::PutPropertySlot::Context, JSC::DeferredStructureTransitionWatchpointFire*) 17 0x10e1f882b bool JSC::JSObject::putDirectInternal<(JSC::JSObject::PutMode)0>(JSC::VM&, JSC::PropertyName, JSC::JSValue, unsigned int, JSC::PutPropertySlot&) 18 0x10e1f7a95 JSC::JSObject::putInline(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) 19 0x10e1f2ff4 JSC::JSValue::putInline(JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) 20 0x10e949dc3 operationPutByIdStrict 21 0x452ccf0481cf 22 0x452ccf0a8242 23 0x452ccf096126 24 0x452ccf047e73 25 0x452ccf0963dd 26 0x452ccf047e73 27 0x452ccf09ad93 28 0x452ccf047e73 29 0x452ccf096699 30 0x452ccf047e73 31 0x452ccf0a8242
<rdar://problem/28514822>
Marked test as flaky on mac-wk1 in http://trac.webkit.org/projects/webkit/changeset/206835
Same problem as https://bugs.webkit.org/show_bug.cgi?id=164775.
(In reply to comment #3) > Same problem as https://bugs.webkit.org/show_bug.cgi?id=164775. Wait, no it's not.
Created attachment 294863 [details] the patch
*** Bug 141253 has been marked as a duplicate of this bug. ***
Landed in https://trac.webkit.org/changeset/208762