[Webkit-unassigned] [Bug 41352] New: REGRESSION (r62052): Many regression tests crashing on Windows in JSLazyEventListener::initializeJSFunction

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=41352

           Summary: REGRESSION (r62052): Many regression tests crashing on
                    Windows in JSLazyEventListener::initializeJSFunction
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://build.webkit.org/builders/Windows%20Debug%20%28
                    Tests%29/builds/15667/steps/layout-test/logs/stdio
        OS/Version: All
            Status: NEW
          Keywords: LayoutTestFailure, NeedsRadar, Regression
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: ap at webkit.org, beidson at apple.com


r62052 introduced crashes inside JSLazyEventListener::initializeFunction. The problematic line is:

        static_cast<JSNode*>(wrapper())->pushEventHandlerScope(exec, scope);

In the crashing case, wrapper() is a JSGlobalObject, not a JSNode, so the cast is invalid.

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