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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 - WebAssembly: implement the IndexDB caching API"
   href="https://bugs.webkit.org/show_bug.cgi?id=166481">166481</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>WebAssembly: implement the IndexDB caching API
          </td>
        </tr>

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

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

        <tr>
          <th>Reporter</th>
          <td>jfbastien&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>jfbastien&#64;apple.com, keith_miller&#64;apple.com, sbarati&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>Blocks</th>
          <td>161709
          </td>
        </tr></table>
      <p>
        <div>
        <pre>As described here: <a href="https://github.com/WebAssembly/design/blob/master/JS.md#structured-clone-of-a-webassemblymodule">https://github.com/WebAssembly/design/blob/master/JS.md#structured-clone-of-a-webassemblymodule</a>

<span class="quote">&gt; Structured Clone of a WebAssembly.Module</span >
&gt;
<span class="quote">&gt; A WebAssembly.Module is a cloneable object† which means it can be cloned between windows/workers and also stored/retrieved into/from an IDBObjectStore‡. The semantics of a structured clone is as-if the binary source, from which the WebAssembly.Module was compiled, were cloned and recompiled into the target realm. Engines should attempt to share/reuse internal compiled code when performing a structured clone although, in corner cases like CPU upgrade or browser update, this may not be possible and full recompilation may be necessary.</span >
&gt;
<span class="quote">&gt; Given the above engine optimizations, structured cloning provides developers explicit control over both compiled-code caching and cross-window/worker code sharing.</span >


† <a href="https://html.spec.whatwg.org/multipage/infrastructure.html#cloneable-objects">https://html.spec.whatwg.org/multipage/infrastructure.html#cloneable-objects</a>
‡ <a href="https://w3c.github.io/IndexedDB/#object-store">https://w3c.github.io/IndexedDB/#object-store</a></pre>
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