<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 --- - Assignment from _Atomic modify gets incorrect error message"
   href="https://llvm.org/bugs/show_bug.cgi?id=28951">28951</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Assignment from _Atomic modify gets incorrect error message
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>3.9
          </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>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>mib.bugzilla@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>clang -c -std=c11 tm.c
tm.c:9:9: error: assigning to 'int' from incompatible type '_Atomic(int)'
 result = a -= b;
        ^ ~~~~~~
1 error generated.
-bash-4.2$ cat tm.c

void
test_minus (void)
{
//_Atomic
 int result;
 _Atomic int a = 5;
 int b = 7;
 result = a; // this is ok, type of rhs is int
 result = a -= b; // this gets the error
}</pre>
        </div>
      </p>
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