[Webkit-unassigned] [Bug 29214] New: getPropertyNames caching is invalid when the prototype chain contains objects with custom getPropertyNames

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29214

           Summary: getPropertyNames caching is invalid when the prototype
                    chain contains objects with custom getPropertyNames
           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


a={};
a.__proto__=[];
for(i in a)
   print(i);
a.__proto__[0]=1;
for(i in a)
   print(i); // should print 0 but doesn't get hit

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