cp-tree.h (OVL_USED): Replace with ...

	* cp-tree.h (OVL_USED): Replace with ...
	(OVL_USING_P): ... this.
	(ovl_iterator::using_p): Adjust.
	* name-lookup.c (push_overloaded_decl_1)
	do_nonmember_using_decl): Adjust.
	* search.c (lookup_field_r): Adjust.
	* tree.c (ovl_insert, ovl_scope): Adjust.
(--This line, and those below, will be ignored--

M    cp/tree.c
M    cp/cp-tree.h
M    cp/name-lookup.c
M    cp/search.c
M    cp/ChangeLog

From-SVN: r248229