<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 --- - The following code should compile"
   href="http://llvm.org/bugs/show_bug.cgi?id=17947">17947</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>The following code should compile
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Macintosh
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>MacOS X
          </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>jeffrey.pigarelli@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>This code:

#include <cstddef>
#include <iostream>

template<std::size_t R, std::size_t C>
struct foo {};

template<std::size_t R, std::size_t C>
class bar {
public:
    bar(const foo<R, C>& = foo<R, C>()) {}
};

int main() {
    bar<10, 10> y;
    std::cout << 'x';
}

fails to compile claiming an "error: unknown type name 'C'". The above code
seems to be legal according to the C++ standard draft: N3337.

Here's a link to the SO question that raise the issue:
<a href="http://stackoverflow.com/q/20006779/493122">http://stackoverflow.com/q/20006779/493122</a>.</pre>
        </div>
      </p>
      <hr>
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