[Bug c++/48280] New: [4.5/4.6/4.7 Regression] [C++0x] ICE: tree check: expected var_decl or function_decl, have template_decl in check_bases_and_members, at cp/class.c:4695

["zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48280

           Summary: [4.5/4.6/4.7 Regression] [C++0x] ICE: tree check:
                    expected var_decl or function_decl, have template_decl
                    in check_bases_and_members, at cp/class.c:4695
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz


----- testcase.C -----
struct S {
  template < typename > S (const S &) = default;
};
----------------------

Compiler output:
$ gcc -std=c++0x testcase.C 
testcase.C:2:41: error: 'S::S(const S&)' cannot be defaulted
testcase.C:1:8: internal compiler error: tree check: expected var_decl or
function_decl, have template_decl in check_bases_and_members, at
cp/class.c:4695
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r171399 - crash
4.6 r170955 - crash
4.5 r170955 - crash
4.4 r170955 - OK