2015-05-12  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb: Minor reformatting.

2015-05-12  Vincent Celier  <celier@adacore.com>

	* gnatcmd.adb: If we want to invoke gnatmake (gnatclean) with
	-P, then check if gprbuild (gprclean) is available; if it is,
	use gprbuild (gprclean) instead of gnatmake (gnatclean).

2015-05-12  Robert Dewar  <dewar@adacore.com>

	* debug.adb: Add flag -gnatd.3 to output diagnostic info from
	Exp_Unst.
	* einfo.ad, einfo.adb: Reorganize (and remove most of) flags used by
	Exp_Unst.
	* exp_ch6.adb (Unest_Bodies): Table for delayed calls to
	Unnest_Subprogram (Expand_N_Subprogram_Body): Add entry to table
	for later call instead of calling Unnest_Subprogram directly
	(Initialize): New procedure (Unnest_Subprograms): New procedure
	* exp_ch6.ads (Add_Extra_Actual_To_Call): Move into proper
	alpha order.
	(Initialize): New procedure.
	(Unnest_Subprograms): New procedure.
	* exp_unst.adb (Unnest_Subprogram): Major rewrite, moving
	all processing to this routine which is now called late
	after instantiating bodies. Fully handles the case of generic
	instantiations now.
	* exp_unst.ads: Major rewrite, moving all processing to
	Unnest_Subprogram.
	* frontend.adb (Frontend): Add call to Exp_Ch6.Initialize.
	(Frontend): Add call to Unnest_Subprograms.
	* sem_ch8.adb (Find_Direct_Name): Back to old calling sequence
	for Check_Nested_Access.
	* sem_util.adb (Build_Default_Subtype): Minor reformatting
	(Check_Nested_Access): Back to original VM-only form (we
	now do all the processing for Unnest_Subprogram at the time
	it is called.
	(Denotes_Same_Object): Minor reformatting
	(Note_Possible_Modification): Old calling sequence for
	Check_Nested_Access.
	* sem_util.ads (Check_Nested_Access): Back to original VM-only
	form (we now do all the processing for Unnest_Subprogram at the
	time it is called.

From-SVN: r223043