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    <head>
      <base href="https://bugs.llvm.org/">
    </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 - ppc64le: including <stdbool.h> prior to <altivec.h> causes compilation to fail in C mode"
   href="https://bugs.llvm.org/show_bug.cgi?id=45365">45365</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ppc64le: including <stdbool.h> prior to <altivec.h> causes compilation to fail in C mode
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>10.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </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>clang@evan.coeusgroup.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>This is trivial to reproduce:

  #include <stdbool.h>
  #include <altivec.h>

And compile with clang (not clang++).  The result is lots of "error: unknown
type name 'vector'".

AFAICT the problem is that stdbool.h defines bool to _Bool, then gets confused
when using types like "vector bool char" (which is "vector _Bool char" after
preprocessing).

I'm not really sure why, but it works in GCC.  Maybe they just treat _Bool the
same as bool for AltiVec.  It would be really nice if clang worked, too.</pre>
        </div>
      </p>


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