<html>
    <head>
      <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 --- - Usage of #include_next breaks compilation"
   href="https://llvm.org/bugs/show_bug.cgi?id=25118">25118</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Usage of #include_next breaks compilation
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libc++
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>3.7
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>All
          </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>All Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>ldionne.2@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>On trunk, libc++ currently uses #include_next, which can break compilation
with -Werror because #include_next is flagged as a language extension.
See [1] for an example.

The breaking changes seems to be introduced by the commits in the range
[r249738, 249761] by Richard Smith.

Regards,
Louis

[1]: <a href="https://travis-ci.org/ldionne/hana/jobs/84381855#L1410">https://travis-ci.org/ldionne/hana/jobs/84381855#L1410</a></pre>
        </div>
      </p>
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