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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Our ToThis semantics look to be affected by whether or not a local variable is captured"
   href="https://bugs.webkit.org/show_bug.cgi?id=163574">163574</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Our ToThis semantics look to be affected by whether or not a local variable is captured
          </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>sbarati&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>benjamin&#64;webkit.org, fpizlo&#64;apple.com, ggaren&#64;apple.com, gskachkov&#64;gmail.com, jfbastien&#64;apple.com, keith_miller&#64;apple.com, mark.lam&#64;apple.com, msaboff&#64;apple.com, oliver&#64;apple.com, ticaiolima&#64;gmail.com, utatane.tea&#64;gmail.com
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      <p>
        <div>
        <pre>This doesn't seem spec compliant to me:

```
function foo() { function bar() { return x; } var x = Object.getOwnPropertyDescriptor(Object.prototype, &quot;__proto__&quot;).get; return x(); }
foo() // [object Object]
```

```
function foo() { var x = Object.getOwnPropertyDescriptor(Object.prototype, &quot;__proto__&quot;).get; return x(); }
foo() // Exception: TypeError: Can't convert undefined or null to object
```</pre>
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