[Webkit-unassigned] [Bug 31198] New: Can cache prototype lookups on uncacheable dictionaries.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=31198

           Summary: Can cache prototype lookups on uncacheable
                    dictionaries.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: oliver at apple.com


var o = {a:5,b:6}; var a={__proto__:o}; delete o.b; function f(o) {return o.a;
}; f(a); f(a);f(a); delete o.a; o.c="FAIL"; alert(f(a));

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