In gcc/c-family/:
2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c.opt (Wproperty-assign-default): New option.

In gcc/objc/:
2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (objc_add_dynamic_declaration): Allow @dynamic in a
	category.
	(objc_type_valid_for_messaging): Added 'accept_classes' argument;
	if set to 'true', return 'true' for Class objects.  Do not remove
	more than on pointer indirection.
	(objc_add_property_declaration): Only warn about 'assign'
	semantics for Objective-C objects if warn_property_assign_default;
	and do not warn if the property is readonly or if the type is a Class.
	(objc_finish_foreach_loop): Updated calls to
	objc_type_valid_for_messaging.
	
In gcc/testsuite/:
2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/property/dynamic-2.m: Updated for the fact that @dynamic
	is now allowed in categories.
	* obj-c++.dg/property/dynamic-2.mm: Same change.
	* objc.dg/property/dynamic-3.m: New.
	* obj-c++.dg/property/dynamic-3.mm: New.
	* objc.dg/property/at-property-14.m: New.
	* objc.dg/property/at-property-15.m: New.
	* obj-c++.dg/property/at-property-14.mm: New.
	* obj-c++.dg/property/at-property-15.mm: New.	

	* objc.dg/foreach-6.m: Added a few more tests for valid and
	invalid iterating variables and collections.

From-SVN: r166287