Bug 128656 – REGRESSION: fast/workers/stress-js-execution.html crashes sometimes

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: JavaScriptCore

[Alexey Proskuryakov]

fast/workers/stress-js-execution.html started to flakily crash yesterday. Not frequently enough for me to pinpoint the revision.

http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fworkers%2Fstress-js-execution.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore      	0x000000010831bd4a WTFCrash + 42 (Assertions.cpp:333)
1   com.apple.JavaScriptCore      	0x0000000107c2126d JSC::SlotVisitor::unconditionallyAppend(JSC::JSCell*) + 77 (SlotVisitorInlines.h:123)
2   com.apple.JavaScriptCore      	0x0000000107f7b2ad JSC::Heap::addToRememberedSet(JSC::JSCell const*) + 237 (Heap.cpp:788)
3   com.apple.JavaScriptCore      	0x0000000107cdd638 JSC::CodeBlockSet::rememberCurrentlyExecutingCodeBlocks(JSC::Heap*) + 152 (CodeBlockSet.cpp:117)
4   com.apple.JavaScriptCore      	0x0000000107f7b90e JSC::Heap::collect() + 1470 (Heap.cpp:929)
5   com.apple.JavaScriptCore      	0x0000000107f6b294 JSC::DefaultGCActivityCallback::doWork() + 212 (GCActivityCallback.cpp:100)
6   com.apple.JavaScriptCore      	0x0000000107f8c242 JSC::HeapTimer::timerDidFire(__CFRunLoopTimer*, void*) + 338 (HeapTimer.cpp:98)
7   com.apple.CoreFoundation      	0x00007fff8e826724 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20

[Radar WebKit Bug Importer]

<rdar://problem/16045354>

[Mark Hahnenberg]

Weird. A currently executing code block didn't mark its owner executable. That seems wrong.

[Mark Hahnenberg]

Same symptom as the bug 128745, so duping.

*** This bug has been marked as a duplicate of bug 128745 ***