<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - ExprMutationAnalyzer crash with uninstanciated templates"
   href="https://bugs.llvm.org/show_bug.cgi?id=38888">38888</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ExprMutationAnalyzer crash with uninstanciated templates
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </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>enhancement
          </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>lebedev.ri@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>template <typename a> class b {
  typedef a c;
  c m_fn1() const noexcept;
};
template <typename a> typename b<a>::c b<a>::m_fn1() const noexcept {
  c d;
  for (; d > 0;)
    ;
}

So, i'm not quite sure how to write a test for this,
but if i call ExprMutationAnalyzer::findDeclMutation() with vardecl of "c d;",
with stmt (the scope) being either loop condition, loop increment, or loop body
(i'm not sure which one it is) there is a crash.

Sorry that i can't quite yet provide more actionable info.</pre>
        </div>
      </p>


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