<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 --- - clang fails to detect delete x; return x"
   href="http://llvm.org/bugs/show_bug.cgi?id=15881">15881</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang fails to detect delete x; return x
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Macintosh
          </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>peter@stairways.com.au
          </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>Mac, Xcode 4.6.2, Apple LLVM version 4.2 (clang-425.0.24) (based on LLVM
3.2svn), Objective C++.

Neither clang with lots of warning enabled, nor the static analyser detect this
simple failure case:

HBaseAction*
AMouseMoveAndClick::Merge( HBaseAction* action )
{
    AMouseMoveAndClick* newAction = new AMouseMoveAndClick( *this );
    delete newAction;
    return newAction;
}

Shouldn't pretty much any use of a deleted variable be flagged as an error?</pre>
        </div>
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