* cp-tree.def (LOOKUP_EXPR): Document. Remove second argument.
* cp-tree.h (DECL_TI_TEMPLATE): Improve documentation.
* lex.c (do_identifier): Don't use a second argument, or a type,
when building LOOKUP_EXPRs.
(do_identifier): Likewise.
(do_scoped_id): Likewise.
* method.c (hack_identifier): Improve error message.
* pt.c (lookup_template_function): Don't needlessly call
copy_to_permanent or build_min.
(tsubst_copy): Remove #if 0'd code. Tsubst into LOOKUP_EXPRs if
necessary.
(do_decl_instantiation): Improve error message.
* tree.c (mapcar, case LOOKUP_EXPR): Don't be sorry; make a copy.
(build_min): Copy the type to the permanent obstack, too.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@21544
138bc75d-0d04-0410-961f-
82ee72b054a4