[Webkit-unassigned] [Bug 89455] New: Web Inspector: exception in console when showing popover for a big array

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=89455

           Summary: Web Inspector: exception in console when showing
                    popover for a big array
           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: yurys 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


Created an attachment (id=148303)
 --> (https://bugs.webkit.org/attachment.cgi?id=148303&action=review)
Example script

Steps to reproduce:

1. Open attached page.
2. Take a heap snapshot.
3. Find Int32Array in the heap snapshot summary view.
4. Hover over the element until object popover appears.
5. Make the popover disappear.

Result:
Exception in the console:
[5258:5258:1639589149962:ERROR:CONSOLE(656)] "Uncaught TypeError: Cannot call method 'getOwnProperties' of null", source: chrome-devtools://devtools/ObjectPropertiesSection.js (656)

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