[Webkit-unassigned] [Bug 34553] New: arguments.callee.caller is null in JavaScript functions defined in top and called via fn.call() or fn.apply() from an iframe

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=34553

           Summary: arguments.callee.caller is null in JavaScript
                    functions defined in top and called via fn.call() or
                    fn.apply() from an iframe
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Frames
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ceager at gmail.com


Created an attachment (id=48089)
 --> (https://bugs.webkit.org/attachment.cgi?id=48089)
Test case

Steps to reproduce
---------------
1. Create an iframe.
2. Define a function ("topFunction") in top that accesses
arguments.callee.caller
3. Write a function that calls "topFunction":
  * normally: top.topFunction()
  * via call: top.topFunction.call()
  * via apply: top.topFunction.apply(this, arguments)

Results
-------
arguments.callee.caller is defined only for the normal function call.

Expected
--------
arguments.callee.caller is defined in all cases

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