<html>
    <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 - clang-format mangles a macro function named "and""
   href="https://bugs.llvm.org/show_bug.cgi?id=37200">37200</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang-format mangles a macro function named "and"
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>6.0
          </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>Formatter
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>solo-llvm@goeswhere.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>djasper@google.com, klimek@google.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The macro:

#define and(x,y) 5

..gets rewritten to:

#define and (x, y) 5

..which causes this:

and(2, 3)

..to expand to:

(x, y) 5(2, 3)

..which is not what I was after, really.

This horribly breaks this project's sha512.c. Luckily the new code triggers
-Werror=comma-operator-used-at-all-ever, so this isn't introducing a horrible
bug.

It appears to be related to the token "and" being a keyword in something?

Tested with `clang-format-4.0` and `clang-format-6.0` on Ubuntu 18.04; default
settings.</pre>
        </div>
      </p>


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