[Bug c++/49453] New: Accepts invalid syntax for partial specialization of class template where the specialization is a class template

[Bug c++/49453] New: Accepts invalid syntax for partial specialization of class template where the specialization is a class template

[Nimantha.Siriwardana at googlemail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49453

           Summary: Accepts invalid syntax for partial specialization of
                    class template where the specialization is a class
                    template
           Product: gcc
           Version: 4.3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: Nimantha.Siriwardana@googlemail.com


Example:

#include <iostream>
template <typename F>
struct foo{
  typedef F value_type;
};

template <typename G>
struct bar{};

//template<>  <- works if commented out or not
template <typename F>
struct bar<foo<F> >
{
  typename foo<F>::value_type val;
};

int main(void)
{
  typedef foo<int> F;
  typedef bar<F> B;
  B b;
  b.val = 10;
  std::cout << b.val << std::endl;
  return 0;
};

I have been led to believe that this is incorrect behaviour, have tested on
4.4.4 and 4.5.1 and this appears to be the same.

[Bug c++/49453] Accepts invalid syntax for partial specialization of class template where the specialization is a class template

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49453

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-21 16:48:59 UTC ---
Duplicate.

*** This bug has been marked as a duplicate of bug 24314 ***