[Webkit-unassigned] [Bug 206229] New: REGRESSION: (r254491) [ Mac Debug ] ASSERTION FAILED: heap.mutatorState() != MutatorState::Running

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jan 14 07:25:26 PST 2020


            Bug ID: 206229
           Summary: REGRESSION: (r254491) [ Mac Debug ] ASSERTION FAILED:
                    heap.mutatorState() != MutatorState::Running
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsavell at apple.com

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:
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)



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