2012-03-19  Yannick Moy  <moy@adacore.com>

	* sem_ch6.adb: Minor code clean up.

2012-03-19  Vincent Celier  <celier@adacore.com>

	* make.adb (Scan_Make_Arg): Make sure all significant -m switches
	on the command line are counted.

2012-03-19  Robert Dewar  <dewar@adacore.com>

	* sem_elab.adb (Generate_Elab_Warnings): Fix spec, fix attribute
	reference case

2012-03-19  Robert Dewar  <dewar@adacore.com>

	* par-ch4.adb (Check_Bad_Exp): New procedure

2012-03-19  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb, sem_attr.adb, sem_attr.ads, snames.ads-tmpl: Add
	initial framework for Valid_Scalars attribute.

2012-03-19  Robert Dewar  <dewar@adacore.com>

	* scng.adb (Scan): Recognize incorrect preprocessor directive

2012-03-19  Robert Dewar  <dewar@adacore.com>

	* atree.adb (Allocate_Initialize_Node): Use Num_Extension_Nodes
	* atree.ads (Num_Extension_Nodes): New variable
	* debug.adb: New debug flag -gnatd.N
	* gnat1drv.adb (Adjust_Global_Switches): Adjust
	Num_Extension_Nodes if -gnatd.N set

2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>

	* einfo.ads: Minor update to First_Rep_Item and Has_Gigi_Rep_Item
	descriptions.

2012-03-19  Robert Dewar  <dewar@adacore.com>

	* opt.ads: Remove HLO_Active flag.
	* sem.adb: Remove call of high level optimizer.
	* sem.ads (New_Nodes_OK): Removed.
	* sem_ch10.adb: Remove references to New_Nodes_OK.
	* switch-c.adb: Remove handling of -gnatH switch.

From-SVN: r185528