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      <base href="http://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 --- - Error about incomplete field is issued for typedef in incomplete class, but not for incomplete class itself"
   href="http://llvm.org/bugs/show_bug.cgi?id=22838">22838</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Error about incomplete field is issued for typedef in incomplete class, but not for incomplete class itself
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>FreeBSD
          </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>C++
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>yuri@tsoft.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>For the attached example c1-set.cpp, the following error is issued for the
field 'set<X>::iterator ii', because 'set<X>::iterator' is undefined:
<span class="quote">> error: field has incomplete type 'value_type' (aka 'X')
> note: definition of 'X' is not complete until the closing '}'</span >

PROBLEM#1: When 'ii' field is removed, compile succeeds, even though field
'set<X> mm' is also undefined. This is an inconsistent behavior.

PROBLEM#2: Replace 'set' with 'vector', and compile succeeds, even though
template-wise example is exactly the same, just the type of template container
is different. (see an attached case c1-vector.cpp which succeeds). This is
another inconsistent behavior.

gcc issues no such error, and this is more practically sound behavior, though I
am not sure how does it sit with the current C++ standard.

revision 231319 (~ current trunk)</pre>
        </div>
      </p>
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