<html>
    <head>
      <base href="http://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 --- - -fms-extensions: extern C function with mismatching exception spec is not emitted"
   href="http://llvm.org/bugs/show_bug.cgi?id=18661">18661</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>-fms-extensions: extern C function with mismatching exception spec is not emitted
          </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>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>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>hans@chromium.org
          </td>
        </tr>

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

        <tr>
          <th>Blocks</th>
          <td>13707
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Consider the following test program:

  extern "C" {
    void f();
    void f() throw() {
    }
  }

Compiled with -fms-extensions, we downgrade the exception spec mismatch to a
warning:

  a.cc:3:8: warning: exception specification in declaration does not match
previous declaration

However, we fail to emit the definition of f. If it's not in an extern "C"
block, we do emit it.</pre>
        </div>
      </p>
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