[Webkit-unassigned] [Bug 63398] New: Poisoning of strict caller, arguments inappropriately poisoning "in"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=63398

           Summary: Poisoning of strict caller,arguments inappropriately
                    poisoning "in"
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: erights at gmail.com


'caller' in function(){"use strict"}
TypeError: Cannot access caller property of a strict mode function
'arguments' in function(){"use strict"}
TypeError: Can't access arguments object of a strict mode function

The poisoning should be equivalent to making 'caller' and 'arguments' into accessor properties whose getter & setter throw. However, getters and setters should not be activated by "in".

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