PR c++/5369
* friend.c (is_friend): Handle member function of a class
template as template friend.
(do_friend): Likewise.
* decl2.c (check_classfn): Add template_header_p parameter.
* decl.c (start_decl): Adjust check_classfn call.
(grokfndecl): Likewise.
* pt.c (is_specialization_of_friend): New function.
(uses_template_parms_level): Likewise.
(push_template_decl_real): Use uses_template_parms_level.
(tsubst_friend_function): Adjust check_classfn call.
* cp-tree.h (check_classfn): Adjust declaration.
(uses_template_parms_level): Add declaration.
(is_specialization_of_friend): Likewise.
* g++.dg/template/memfriend1.C: New test.
* g++.dg/template/memfriend2.C: Likewise.
* g++.dg/template/memfriend3.C: Likewise.
* g++.dg/template/memfriend4.C: Likewise.
* g++.dg/template/memfriend5.C: Likewise.
* g++.dg/template/memfriend6.C: Likewise.
* g++.dg/template/memfriend7.C: Likewise.
* g++.dg/template/memfriend8.C: Likewise.
* g++.old-deja/g++.pt/friend44.C: Remove a bogus error.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73833
138bc75d-0d04-0410-961f-
82ee72b054a4