* misc.c (gnat_init, gnat_init_options, gnat_decode_option):
	Now static.
	(LANG_HOOKS_GET_ALIAS_SET): New macro.
	(gnat_expand_expr, case NULL_EXPR): Always call set_mem_attributes.
	(gnat_get_alias_set): Renamed from lang_get_alias_set.
	* gigi.h (gnat_decode_option, gnat_init_option, gnat_init):
	Delete declarations.
	(gnat_get_alias_set): Likewise.

From-SVN: r46449