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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Deduplicated initializer lists of BitmapImage constructors."
   href="https://bugs.webkit.org/show_bug.cgi?id=157249">157249</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Deduplicated initializer lists of BitmapImage constructors.
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>WebKit Local 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>Images
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>annulen&#64;yandex.ru
          </td>
        </tr></table>
      <p>
        <div>
        <pre>BitmapImage has 3 constructors, which initialize the same variables. Because of this duplication it's easy to leave some field uninitialized in some code path. Actually, there are already which are already left initialized in 1 or 2 of constructors, e.g. m_desiredFrameStartTime, m_decodedPropertiesSize, m_progressiveLoadChunkTime, m_progressiveLoadChunkCount, m_hasUniformFrameSize.

Use constructor delegation and inline filed initializers to avoid this problem.</pre>
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      </p>
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