[C++ PATCH] Using decls

https://gcc.gnu.org/ml/gcc-patches/2019-05/msg01396.html
	gcc/cp/
	* name-lookup.h (struct cp_binding_level): Drop usings field.
	(finish_namespace_using_decl, finish_local_using_decl): Replace with ...
	(finish_nonmember_using_decl): ... this.
	* name-lookup.c (push_using_decl_1, push_using_decl):
	(do_nonmember_using_decl): ... here.  Add INSERT_P arg.  Reimplement.
	(validate_nonmember_using_decl, finish_namespace_using_decl)
	(finish_local_using_decl): Replace with ...
	(finish_nonmember_using_decl): ... this.  Drop DECL parm.
	* parser.c (cp_parser_using_declaration): Don't do lookup here.
	* pt.c (tsubst_expr): Do not do using decl lookup here.

	gcc/testsuite/
	* g++.dg/lookup/using53.C: Adjust diagnostic.

	libcc1/
	* libcp1plugin.cc (plugin_add_using_decl): Use
	finish_nonmember_using_decl.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271467 138bc75d-0d04-0410-961f-82ee72b054a4

Author: nathan

gcc/cp/ChangeLog

@@ -1,3 +1,16 @@
+2019-05-21  Nathan Sidwell  <[email protected]>
+
+	* name-lookup.h (struct cp_binding_level): Drop usings field.
+	(finish_namespace_using_decl, finish_local_using_decl): Replace with ...
+	(finish_nonmember_using_decl): ... this.
+	* name-lookup.c (push_using_decl_1, push_using_decl):
+	(do_nonmember_using_decl): ... here.  Add INSERT_P arg.  Reimplement.
+	(validate_nonmember_using_decl, finish_namespace_using_decl)
+	(finish_local_using_decl): Replace with ...
+	(finish_nonmember_using_decl): ... this.  Drop DECL parm.
+	* parser.c (cp_parser_using_declaration): Don't do lookup here.
+	* pt.c (tsubst_expr): Do not do using decl lookup here.
+
 2019-05-21  Eric Botcazou  <[email protected]>
 
 	* decl2.c (cpp_check) <IS_ASSIGNMENT_OPERATOR>: New case.