* gcc-interface/decl.c (check_ok_for_atomic): Rename into...
	(check_ok_for_atomic_type): ...this.  When checking the mode, also
	check that the type is sufficient aligned.  Remove useless code and
	tidy up implementation.
	(gnat_to_gnu_entity): Adjust to above renaming.
	(gnat_to_gnu_component_type): Likewise.
	(gnat_to_gnu_field): Likewise.

From-SVN: r219007