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    <head>
      <base href="https://bugs.llvm.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 - Regression: -Wmissing-variable-declarations for variable template specialization"
   href="https://bugs.llvm.org/show_bug.cgi?id=43741">43741</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Regression: -Wmissing-variable-declarations for variable template specialization
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>9.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>andreas.zapf@ableton.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The following code triggers -Wmissing-variable-declarations in clang 9:

template<typename T>
constexpr bool is_int = false;

template<>
constexpr bool is_int<int> = true;

It compiles without warnings with clang 8.

See also <a href="https://godbolt.org/z/Y_eCbP">https://godbolt.org/z/Y_eCbP</a></pre>
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      </p>


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