* gcc-interface/trans.c (Attribute_to_gnu) <Attr_{Min,Max}>: If the
	type is a floating-point type, implement the semantics of the C99
	f{min,max} routines with regard to NaNs.
	(gnat_to_gnu): Call builtin_decl_implicit.
	* gcc-interface/utils2.c (compare_arrays): Adjust comments.

From-SVN: r219010