2007-12-06 Hristian Kirtchev <kirtchev@adacore.com>

	    Ed Schonberg  <schonberg@adacore.com>

	* exp_ch9.adb (Expand_N_Asynchronous_Select,
	Expand_N_Conditional_Entry_Call, Expand_N_Timed_Entry_Call): Code and
	comment reformatting.
	(Set_Privals): Inherit aliased flag from formal. From code reading.
	(Build_Simple_Entry_Call): Out parameters of an access type are passed
	by copy and initialized from the actual. This includes entry parameters.
	(Expand_N_Requeue_Statement): Reimplement in order to handle both Ada 95
	and Ada 2005 models of requeue.
	(Null_Statements): Still connsider do-end block null if it contains
	Unreferenced and Warnings pragmas.
	(Expand_N_Accept_Statement): Do not optimize away null do end if
	dispatching policy is other than defaulted.
	(Expand_N_Timed_Entry_Call): When the triggering statement is a
	dispatching call, manually analyze the delay statement.
	(Find_Parameter_Type): Move subprogram to Sem_Util.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130834 138bc75d-0d04-0410-961f-82ee72b054a4

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