PR c++/24163
	PR c++/29131
gcc/cp/
	* pt.c (tsubst_copy_and_build) [CALL_EXPR]: Avoid repeating
	unqualified lookup.
	* semantics.c (perform_koenig_lookup): Add complain parm.
	* cp-tree.h: Adjust.
	* parser.c (cp_parser_postfix_expression): Adjust.
	(cp_parser_perform_range_for_lookup): Adjust.
libstdc++-v3/
	* include/ext/pb_ds/assoc_container.hpp: Explicitly qualify calls to
	functions from dependent bases.
	* include/ext/pb_ds/detail/rb_tree_map_/erase_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/rb_tree_map_/
	split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/splay_tree_/erase_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/splay_tree_/insert_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/splay_tree_/splay_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/splay_tree_/
	split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/tree_policy/
	order_statistics_imp.hpp: Likewise.
	* include/ext/pb_ds/detail/trie_policy/
	prefix_search_node_update_imp.hpp: Likewise.
	* include/ext/rc_string_base.h: Likewise.
	* include/ext/rope: Likewise.
	* include/ext/ropeimpl.h: Likewise.
	* testsuite/util/exception/safety.h: Likewise.
	* testsuite/util/native_type/native_priority_queue.hpp: Likewise.
	* testsuite/util/testsuite_io.h: Likewise.
	* include/std/functional: Declare mem_fn earlier.
	* include/tr1/functional: Likewise.
	* include/tr1/exp_integral.tcc: Declare __expint_E1 earlier.

From-SVN: r173965