exp_aggr.adb: Update comments.

exp_aggr.adb: Update comments.

2014-07-30  Robert Dewar  <dewar@adacore.com>

	* exp_aggr.adb: Update comments.
	* a-chtgbo.adb, a-chtgbo.ads, a-cbhase.adb, a-cbhase.ads: Minor
	reformatting.

2014-07-30  Robert Dewar  <dewar@adacore.com>

	* cstand.adb (New_Standard_Entity): New version takes name
	string to call Make_Name.
	(Create_Standard): Use this routine to set name before setting other
	fields.

2014-07-30  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb (Expand_Attribute, case First): Rewrite simple
	entity reference.
	(Expand_Attribute, case Last): Ditto.
	* exp_ch3.adb (Constrain_Index): New calling sequence for
	Process_Range_Expr_In_Decl.
	(Expand_N_Object_Declaration): Avoid setting Is_Known_Valid in one
	problematical case.
	* sem_ch3.adb (Constrain_Index): New calling sequence for
	Process_Range_Expr_In_Decl.
	(Set_Scalar_Range_For_Subtype): ditto.
	(Process_Range_Expr_In_Decl): Create constants to hold bounds for
	subtype.
	* sem_ch3.ads (Process_Range_Expr_In_Decl): Add Subtyp parameter.
	* sem_eval.adb (Compile_Time_Compare): Make sure we use base
	types if we are not assuming no invalid values.

From-SVN: r213286