[Webkit-unassigned] [Bug 275179] New: REGRESSION(279738 at main): ASSERTION FAILED: heap.vm().currentThreadIsHoldingAPILock() || heap.worldIsStopped()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=275179

            Bug ID: 275179
           Summary: REGRESSION(279738 at main): ASSERTION FAILED:
                    heap.vm().currentThreadIsHoldingAPILock() ||
                    heap.worldIsStopped()
           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: Hironori.Fujii at sony.com
                CC: keith_miller at apple.com

After 279738 at main, Debug layout tests are randomly crashing due to an assertion failure.

https://build.webkit.org/results/Apple-Sonoma-Debug-WK1-Tests/279738@main%20(1873)/inspector/memory/tracking-stderr.txt

ASSERTION FAILED: heap.vm().currentThreadIsHoldingAPILock() || heap.worldIsStopped()
./heap/BlockDirectory.cpp(498) : void JSC::BlockDirectory::assertIsMutatorOrMutatorIsStopped() const

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