[Webkit-unassigned] [Bug 29626] New: Object.defineProperties isn't atomic

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29626

           Summary: Object.defineProperties isn't atomic
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: javascript: var o = {}; Object.defineProperty(o, "a",
                    { value: 17, configurable: false, writable: false });
                    try { Object.defineProperties(o, { g: { value: 12345,
                    enumerable: true }, a: { value: 42, configurable: true
                    } }); alert("FAIL, didn't throw"); } catch (e) { };
                    alert("g" in o ? "FAIL, Object.defineProperties isn't
                    atomic" : " PASS");
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jwalden+bwo at mit.edu


See 15.2.3.7 step 6.

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