[Webkit-unassigned] [Bug 55220] New: Web Inspector: "length" getter is invoked upon console object formatting.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55220

           Summary: Web Inspector: "length" getter is invoked upon console
                    object formatting.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: pfeldman at chromium.org
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


Enter 'demo = {get length () {return this.a.length;}}' and submit.
Read error "TypeError: Cannot read property 'length' of undefined".

Reason is that array detection in the formatting code checks the length value. We should probably switch to testing whether length is enumerated instead.

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