[Webkit-unassigned] [Bug 25560] New: "string value".__proto__ gets the wrong object.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 5 01:51:22 PDT 2009


           Summary: "string value".__proto__ gets the wrong object.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: erikcorry at google.com

This is a regression.  The problem is not present in eg. Safari 3.2.2 for
Windows.  In the latest WebKit nightlies and in the Safari 4 beta for OSX it is
present.  Here is a snippet to reproduce it:

"foo".__proto__.foo = "bar";
if (Object.prototype.foo == "bar") alert("Has Safari __proto__ bug");
else alert("Doesn't have Safari __proto__ bug");

It seems the problem is restricted to string values.  new
String("foo").__proto__ gets the right object.

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