<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 --- - Warning "missing braces around initializer" causing problems with std::array"
   href="http://llvm.org/bugs/show_bug.cgi?id=21629">21629</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Warning "missing braces around initializer" causing problems with std::array
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </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>C++11
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>ehysta@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Similar bug as in GCC: <a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25137">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25137</a>

It was resolved with "-Wmissing-braces will no longer be enabled in GCC's -Wall
(for C++ mode), as of 4.8, for precisely the reason you describe.".

Clang: <a href="http://coliru.stacked-crooked.com/a/784733e4c860f68e">http://coliru.stacked-crooked.com/a/784733e4c860f68e</a>
GCC: <a href="http://coliru.stacked-crooked.com/a/5c58c123f2108df5">http://coliru.stacked-crooked.com/a/5c58c123f2108df5</a>

Code:
#include <array>

template<typename T, size_t N>
struct static_array
{
    T elems[N];
};

int main() {
    std::array<int, 3> a = {1,2,3}; // warning: suggest braces around
initialization of subobject
    static_array<int, 3> b = {1,2,3}; // same
    return 0;
}</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>