RESOLVED FIXED 206229
REGRESSION: (r254491) [ Mac Debug ] ASSERTION FAILED: heap.mutatorState() != MutatorState::Running 
https://bugs.webkit.org/show_bug.cgi?id=206229
Summary REGRESSION: (r254491) [ Mac Debug ] ASSERTION FAILED: heap.mutatorState() != ...
Truitt Savell
Reported 2020-01-14 07:25:26 PST
23 tests are crashing on Mac Debug after the changes in https://trac.webkit.org/changeset/254491/webkit It looks like the new Assert is causing this. Example crash log: stderr: ASSERTION FAILED: heap.mutatorState() != MutatorState::Running ./runtime/VM.cpp(1069) : void JSC::VM::scanSideState(JSC::ConservativeRoots &) const 1 0x7524c3c39 WTFCrash 2 0x752c0461b WTFCrashWithInfo(int, char const*, char const*, int) Results: https://build.webkit.org/results/Apple-Catalina-Debug-WK2-Tests/r254491%20(1674)/results.html build: https://build.webkit.org/builders/Apple-Catalina-Debug-WK2-Tests/builds/1674
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Radar WebKit Bug Importer
Comment 1 2020-01-14 07:25:40 PST
<rdar://problem/58567209>
Keith Miller
Comment 2 2020-01-14 17:48:20 PST
Fixed in r254549: <https://trac.webkit.org/changeset/254549>
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