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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - clang-tidy: Fix unnecessary copy of objects for operator==() methods"
   href="https://bugs.webkit.org/show_bug.cgi?id=192712">192712</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang-tidy: Fix unnecessary copy of objects for operator==() methods
          </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>WebCore Misc.
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>aestes@apple.com, wenson_hsieh@apple.com
          </td>
        </tr></table>
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        <pre>Running `clang-tidy -header-filter=.* -checks='-*,performance-*,-performance-noexcept-*' ...` on WebCore source files found these unnecessary object copies:

Source/WebCore/contentextensions/HashableActionList.h:56:46: warning: the const qualified parameter 'other' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param]
    bool operator==(const HashableActionList other) const
                                             ^
                                            &
Source/WebCore/contentextensions/HashableActionList.h:61:46: warning: the const qualified parameter 'other' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param]
    bool operator!=(const HashableActionList other) const
                                             ^
                                            &

Source/WebCore/platform/network/FormData.h:88:47: warning: the const qualified parameter 'other' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param]
        bool operator==(const EncodedFileData other) const
                                              ^
                                             &
Source/WebCore/platform/network/FormData.h:152:47: warning: the const qualified parameter 'other' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param]
        bool operator==(const EncodedBlobData other) const
                                              ^
                                             &</pre>
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      </p>


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