[Webkit-unassigned] [Bug 187293] New: Layout Test media/video-background-playback.html is flaky but crashes constantly in iOS 11 sim

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187293

            Bug ID: 187293
           Summary: Layout Test media/video-background-playback.html is
                    flaky but crashes constantly in iOS 11 sim
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsavell at apple.com
                CC: lforschler at apple.com

The following layout test is a flaky failure on High Sierra, Sierra, for both Debug and Release, and for WK1 and WK2.

This test is constantly crashing in iOS 11 Simulator Debug WK2

media/video-background-playback.html

Probable cause:

Appears that this revision my have caused this:
https://trac.webkit.org/changeset/233115/webkit

Sample crash Log
https://build.webkit.org/builders/Apple%20iOS%2011%20Simulator%20Debug%20WK2%20(Tests)/builds/4971/steps/layout-test/logs/stdio

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fvideo-background-playback.html

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