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      <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 --- - -fno-delayed-template-parsing accepting illegal code."
   href="https://llvm.org/bugs/show_bug.cgi?id=28290">28290</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>-fno-delayed-template-parsing accepting illegal code.
          </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>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>Frontend
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>pierregousseau14@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>clang version 3.9.0 (SVN r273566) (23 June 2016)
Target: x86_64-unknown-linux-gnu

It seems the following test case should fail to compile when disabling delayed
template parsing.
No warnings or error is observed using "-fno-template-parsing-delayed".
gcc and icc both emit an error.

----

  class UBS;
  template <bool bCS> struct FIBH 
  {
   FIBH() { GDN(BS); }
   class UBS* BS;
  };

  extern void foo();

  void foo()
  {
   FIBH<false> IBH;
  }
  void GDN(UBS* BS);

----</pre>
        </div>
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