* cp-tree.h (TYPE_BINFO): Update comment.
(BOUND_TEMPLATE_TEMPLATE_PARM_TYPE_CHECK): New macro.
(TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO): Use template_info.
(TYPENAME_TYPE_FULLNAME): Use TYPE_FIELDS.
(copy_type): Prototype new function.
* lex.c (copy_lang_decl): Gather tree node statistics.
(copy_lang_type): New function.
(copy_type): Likewise.
(cp_make_lang_type): Create lang_type for
BOUND_TEMPLATE_TEMPLATE_PARM. Set TYPE_BINFO for TYPENAME_TYPE
and BOUND_TEMPLATE_TEMPLATE_PARM.
* pt.c (tsubst): Use copy_type instead of copy_node.
* search.c (lookup_field_1): Ignore TYPENAME_TYPE.
From-SVN: r46244
