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      <base href="https://llvm.org/bugs/" />
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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 --- - Invalid &quot;missing sentinel&quot; warning for variadic methods with non-id parameter type" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D24219&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=qW_yvGUHIrKQYJ6RtjH9TXmoBrukhbRbJVcxuQa7dzk&s=_aqEjKcDeQUu2XDC3D4nzNJt2tmmVbGU1j7HqRgTbh0&e=">24219</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Invalid "missing sentinel" warning for variadic methods with non-id parameter type
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>Linux
          </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>Frontend
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>costinc@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=14631" name="attach_14631" title="sentinel.m">attachment 14631</a> <a href="attachment.cgi?id=14631&action=edit" title="sentinel.m">[details]</a></span>
sentinel.m

When adding "__attribute__((sentinel(0,1)))" to a variadic method with
parameter type anything other than id or void*, for instance int or void(^)(),
a "missing sentinel in method dispatch" warning is raised.

I've attached a source file that reproduces this. Compile with:
    clang -fblocks -fsyntax-only sentinel.m</pre>
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      </p>
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