<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - Assertion failed: IsDerivedFrom(FromLoc, FromRecordType, URecordType)"
   href="https://llvm.org/bugs/show_bug.cgi?id=29104">29104</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Assertion failed: IsDerivedFrom(FromLoc, FromRecordType, URecordType)
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </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>yaron.keren@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>compiling with clang version 4.0.0 (trunk 279516) the following:


struct b {
  int c;
};
struct d : b {
  using b::c;
};
struct e : d {
  a;
  int m_fn1() { c; }
};


results in compilation error and then an assert:

Assertion failed: IsDerivedFrom(FromLoc, FromRecordType, URecordType), file
C:\llvm\tools\clang\lib\Sema\SemaExpr.cpp, line 2699</pre>
        </div>
      </p>
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