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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - ARGUMENT BAD: time, time &gt;= 0, seen with media/modern-media-controls/pip-support/pip-support-enabled.html"
   href="https://bugs.webkit.org/show_bug.cgi?id=164336">164336</a>
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        </tr>

        <tr>
          <th>Summary</th>
          <td>ARGUMENT BAD: time, time &gt;= 0, seen with media/modern-media-controls/pip-support/pip-support-enabled.html
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Media Elements
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ryanhaddad&#64;apple.com
          </td>
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        <pre>Encountering this assertion failure on Sierra Debug WK1 with LayoutTest media/modern-media-controls/pip-support/pip-support-enabled.html

<a href="https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r208291%20(1060)/results.html">https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r208291%20(1060)/results.html</a>

<a href="https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=media%2Fmodern-media-controls%2Fpip-support%2Fpip-support-enabled.html">https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=media%2Fmodern-media-controls%2Fpip-support%2Fpip-support-enabled.html</a>

ARGUMENT BAD: time, time &gt;= 0
/Volumes/Data/slave/sierra-debug/build/Source/WebCore/platform/mac/WebVideoFullscreenHUDWindowController.mm(561) : NSString *timeToString(double)
1   0x10e2e09dd WTFCrash
2   0x116314f3a timeToString(double)
3   0x116314ec8 -[WebVideoFullscreenHUDWindowController remainingTimeText]
4   0x1163142f8 -[WebVideoFullscreenHUDWindowController updateTime]
5   0x116312e26 -[WebVideoFullscreenHUDWindowController scheduleTimeUpdate]
6   0x116313077 -[WebVideoFullscreenHUDWindowController fadeWindowIn]
7   0x116310347 -[WebVideoFullscreenController windowDidEnterFullscreen]
8   0x116311907 -[WebVideoFullscreenWindow animatedResizeDidEnd]
9   0x116312031 -[WebVideoFullscreenWindow animationDidEnd:]
10  0x7fff9acc5f2a __NSThreadPerformPerform
11  0x7fff9927a581 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
12  0x7fff9925b907 __CFRunLoopDoSources0
13  0x7fff9925ae76 __CFRunLoopRun
14  0x7fff9925a874 CFRunLoopRunSpecific
15  0x10be69439 runTest(std::__1::basic_string&lt;char, std::__1::char_traits&lt;char&gt;, std::__1::allocator&lt;char&gt; &gt; const&amp;)
16  0x10be67b5d runTestingServerLoop()
17  0x10be670aa dumpRenderTree(int, char const**)
18  0x10be69dad DumpRenderTreeMain(int, char const**)
19  0x10bed0fe2 main
20  0x7fffae32c255 start
21  0x2</pre>
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