<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 --- - field designator 'a' does not refer to a non-static data member"
   href="http://llvm.org/bugs/show_bug.cgi?id=20573">20573</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>field designator 'a' does not refer to a non-static data member
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>3.4
          </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>jani.lahtinen@stonesoft.com
          </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>The following code:

struct foo
{
  int a;
};

struct bar
{
  struct foo;
};

struct bar b =
{
  .a = 0
};

int main(int argc, char **argv)
{
  return 0;
}

Fails to compile with:

clang -g -O0 -fms-extensions -Wno-microsoft $FFLAGS -Werror -c $IFLAGS -o tst.o
tst.c
tst.c:13:4: error: field designator 'a' does not refer to a non-static data
      member
  .a = 0
   ^
tst.c:3:7: note: field designator refers here
  int a;
      ^
1 error generated.

However this:

struct bar b =
{
};

int main(int argc, char **argv)
{
  b.a = 0;
  return 0;
}

Compiles without errors.</pre>
        </div>
      </p>
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