In gcc/objc/:
2011-06-02  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/48539
	* objc-act.c (objc_finish_message_expr): Warn if messaging a class
	that was only declared using @class without an @interface.  Warn
	if messaging an instance of a class that was only declared using
	@class without an @interface, unless the receiver was also typed
	with a protocol list.

In gcc/testsuite/:
2011-06-02  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/48539
	* objc.dg/method-5.m: Updated.	
	* objc.dg/method-19.m: Updated.
	* objc.dg/method-lookup-1.m: New.	
	* obj-c++.dg/method-6.mm: Updated.
	* obj-c++.dg/method-7.mm: Updated.
	* obj-c++.dg/method-lookup-1.mm: New.

From-SVN: r174575