[Webkit-unassigned] [Bug 29214] New: getPropertyNames caching is invalid when the prototype chain contains objects with custom getPropertyNames
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Sep 11 17:14:38 PDT 2009
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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