* objc.dg: New directory.
	* objc.dg/dg.exp: New file.
	* objc.dg/alias.m: New.
	* objc.dg/class-1.m: New.
	* objc.dg/class-2.m: New.
	* objc.dg/const-str-1.m: New.
	* objc.dg/const-str-2.m: New.
	* objc.dg/id-1.m: New.
	* objc.dg/method-1.m: New.
	* objc.dg/super-class-1.m: New.
	* lib/objc-dg.exp: New file.

From-SVN: r43446