[Webkit-unassigned] [Bug 72435] New: [JSC] Structural clone algorithm implementation fails to clone non-indexed properties of arrays

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72435

           Summary: [JSC] Structural clone algorithm implementation fails
                    to clone non-indexed properties of arrays
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dslomov at google.com
                CC: oliver at apple.com, levin at chromium.org
            Blocks: 72363


var a = [1,2,3]
a.foobar = "foobar"
window.postMessage(a,'*')

the object on the recieving end won't have a foobar property.

Layout test is fast/dom/Window/window-postmessage-arrays.html

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