<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 --- - Boolean operation always lvalue"
   href="http://llvm.org/bugs/show_bug.cgi?id=21740">21740</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Boolean operation always lvalue
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>3.5
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </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>llvm+bugzilla@stefan.konink.de
          </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>#include <stdio.h>
#include <stdbool.h>

int main() {
    bool expression_true = true;
    bool always_false = false;

    always_false &= expression_true;

    printf ("%d\n", always_false);

    return 0;
}

Should trigger a warning on the always_false operation. <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [qoi] warn about dead boolean op"
   href="show_bug.cgi?id=11510">Bug 11510</a> refers to a
similar issue.</pre>
        </div>
      </p>
      <hr>
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      <ul>
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    </body>
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