<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 --- - @try-@catch allows omitting return"
   href="http://llvm.org/bugs/show_bug.cgi?id=19641">19641</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>@try-@catch allows omitting return
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>MacOS X
          </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>Static Analyzer
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>kremenek@apple.com
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>devteam.codafi@gmail.com
          </td>
        </tr>

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

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>When functions, Objective-C blocks, or methods which normally require a return
type contain the @try-@catch-@finally directives, no error is emitted if a
return statement is omitted.

id f() {
  @try {

  } @catch (...) {

  } @finally {

  }
  // Expected error about missing return
}

- (id)g {
  @try {
    id var = (^id(void) {
        @try {

        } @catch (...) {

        } @finally {

        }
        // Expected error about missing return
    })();
  } @catch (...) {

  } @finally {

  }
  // Expected error about missing return
}

Clang still generates code as though there were, in fact, a return value for
the function.</pre>
        </div>
      </p>
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