[Webkit-unassigned] [Bug 135143] New: JSLock release should only modify the AtomicStringTable if it modified in acquire

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=135143

           Summary: JSLock release should only modify the
                    AtomicStringTable if it modified in acquire
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: joepeck at webkit.org
                CC: ggaren at apple.com, barraclough at apple.com,
                    mhahnenberg at apple.com


JSLock could have an imbalanced and unexpected change to the global thread data's AtomicStringTable.

The expected balance between JSLock::didAcquireLock and JSLock::willReleaseLock wouldn't happen if the VM was not set (during destruction of a VM).

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