2011-09-05 Robert Dewar <dewar@adacore.com>

2011-09-05  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb: Minor reformatting.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb: Better error message.

2011-09-05  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_aggr.adb: Add with and use clause for Exp_Ch6.
	(Expand_Array_Aggregate): Detect a special case of an aggregate
	which contains tasks in the context of an unexpanded return
	statement of a build-in-place function.
	* exp_ch6.adb: Add with and use clause for Exp_Aggr.
	(Expand_N_Extended_Return_Statement): Detect a delayed aggregate
	which contains tasks and expand it now that the original simple
	return statement has been rewritten.
	* exp_ch9.adb (Build_Activation_Chain_Entity): Code
	reformatting. Do not create a chain for an extended return
	statement if one is already available.
	(Has_Activation_Chain): New routine.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178539 138bc75d-0d04-0410-961f-82ee72b054a4