<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 - Crash when using class template specialization for inner classes"
   href="https://bugs.llvm.org/show_bug.cgi?id=35355">35355</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Crash when using class template specialization for inner classes
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>5.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </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>C++
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>dgregor@apple.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The following code crashes the compiler.
When compiling, you do get a warning:  warning: explicit specialization of 'C'
within class scope is a Microsoft extension [-Wmicrosoft-template]

When commenting the class A, one gets extra information before crashing: error:
cannot compile this scalar expression yet

class A {};
A operator+(A, const A &);

template <class T, int i>
struct B
   {
   template <int> struct C {};
   template <> struct C<0>
      {
      static size_t f() { return 0 + T::n; }
      };                  

   virtual size_t f() const { return C<i>::f(); } 
   };

int main(int, char**)
{
   B<int, 0> b{};
}

<span class="quote">>> clang++.exe t.cpp</span ></pre>
        </div>
      </p>


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