* cp-tree.def (UNBOUND_CLASS_TEMPLATE): New tree node.
* cp-tree.h (make_unbound_class_template): Prototype new function.
* decl.c (make_unbound_class_template): New function.
* decl2.c (arg_assoc_template_arg): Handle UNBOUND_CLASS_TEMPLATE.
* error.c (dump_type): Likewise.
* mangle.c (write_type): Likewise.
* parse.y (template_parm): Likewise.
(template_argument): Use make_unbound_class_template.
* pt.c (convert_template_argument): Handle UNBOUND_CLASS_TEMPLATE.
(tsubst): Likewise.
(tsubst_copy): Likewise.
(unify): Likewise.
* tree.c (walk_tree): Likewise.
* typeck.c (comptypes): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46430
138bc75d-0d04-0410-961f-
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