[Webkit-unassigned] [Bug 127141] New: platform/mac/accessibility/aria-multiline.html sometimes asserts in AccessibilityController::removeNotificationListener

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=127141

           Summary: platform/mac/accessibility/aria-multiline.html
                    sometimes asserts in
                    AccessibilityController::removeNotificationListener
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org
                CC: cfleizach at apple.com,
                    webkit-bug-importer at group.apple.com


platform/mac/accessibility/aria-multiline.html sometimes asserts on Mac WebKit1:

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x000000010674845a WTFCrash + 42 (Assertions.cpp:333)
1   DumpRenderTree                    0x0000000105f4e71a AccessibilityController::removeNotificationListener() + 74 (AccessibilityControllerMac.mm:141)
2   DumpRenderTree                    0x0000000105f4db06 removeNotificationListenerCallback(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 54 (AccessibilityController.cpp:130)
3   com.apple.JavaScriptCore          0x0000000106456007 long long JSC::APICallbackFunction::call<JSC::JSCallbackFunction>(JSC::ExecState*) + 455 (APICallbackFunction.h:61)
4   com.apple.JavaScriptCore          0x000000010641b7d5 handleHostCall + 293 (JITOperations.cpp:654)
5   com.apple.JavaScriptCore          0x000000010641c175 linkFor + 133 (JITOperations.cpp:697)
6   com.apple.JavaScriptCore          0x00000001064170ca operationLinkCall + 26 (JITOperations.cpp:730)

Looks like this started today, perhaps with <http://trac.webkit.org/changeset/162132>.

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