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      <base href="https://bugs.webkit.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - iOS: Many AMP pages crash inside Document::updateStyleIfNeeded"
   href="https://bugs.webkit.org/show_bug.cgi?id=180550">180550</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>iOS: Many AMP pages crash inside Document::updateStyleIfNeeded
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </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>Layout and Rendering
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>rniwa@webkit.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>bfulgham@webkit.org, simon.fraser@apple.com, zalan@apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>e.g.
0   WebCore                             0x000000018be6f274 WebCore::Document::updateStyleIfNeeded() + 360 (Document.cpp:1955)
1   WebCore                             0x000000018be6f1f8 WebCore::Document::updateStyleIfNeeded() + 236 (Document.cpp:1933)
2   WebCore                             0x000000018cd59434 WebCore::LayoutContext::layout() + 780 (LayoutContext.cpp:490)
3   WebCore                             0x000000018bedb470 WebCore::RenderWidget::updateWidgetPosition() + 212 (RenderWidget.cpp:339)
4   WebCore                             0x000000018cd5e724 WebCore::FrameView::updateWidgetPositions() + 312 (FrameView.cpp:4893)
5   WebCore                             0x000000018cd64f3c WebCore::LayoutContext::runOrScheduleAsynchronousTasks() + 444 (LayoutContext.cpp:222)
6   WebCore                             0x000000018cd597b0 WebCore::LayoutContext::layout() + 1672 (LayoutContext.cpp:207)
7   WebCore                             0x000000018bedb470 WebCore::RenderWidget::updateWidgetPosition() + 212 (RenderWidget.cpp:339)
8   WebCore                             0x000000018cfbf608 WebCore::RenderFrameBase:: (bool, bool) + 100 (RenderFrameBase.cpp:80)
9   WebCore                             0x000000018bee44d0 WebCore::RenderFrameBase::layoutWithFlattening(bool, bool) + 224 (RenderFrameBase.cpp:62)
10  WebCore                             0x000000018bedae04 WebCore::RenderIFrame::layout() + 76 (RenderIFrame.cpp:111)
11  WebCore                             0x000000018cf53e58 WebCore::RenderBlock::layoutPositionedObject(WebCore::RenderBox&, bool, bool) + 420 (RenderElement.h:128)
12  WebCore                             0x000000018be3bf9c WebCore::RenderBlock::layoutPositionedObjects(bool, bool) + 296 (RenderBlock.cpp:1476)
13  WebCore                             0x000000018be3c4f0 WebCore::RenderBlock::simplifiedLayout() + 552 (RenderBlock.cpp:1335)
14  WebCore                             0x000000018cf6003c WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) + 72 (RenderBlockFlow.cpp:457)
15  WebCore                             0x000000018be3bfec WebCore::RenderBlock::layout() + 56 (RenderBlock.cpp:1031)</pre>
        </div>
      </p>


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