In gcc/objc/:
2010-12-28  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (objc_start_category_interface): Produce an error if
	a class extension is found after the class @implementation.

In gcc/testsuite/:
2010-12-28  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/class-extension-4.m: New.
	* obj-c++.dg/class-extension-4.mm: New.

From-SVN: r168294