2015-03-13 Robert Dewar <dewar@adacore.com>

2015-03-13  Robert Dewar  <dewar@adacore.com>

	* exp_unst.adb (Note_Uplevel_Reference): Eliminate duplicate
	references.
	(Actual_Ref): New function.
	(AREC_String): Minor reformatting.
	(Unnest_Subprogram): Use Actual_Ref.
	* frontend.adb (Frontend): Turn off Unnest_Subprogram_Mode
	before call to Instantiate_Bodies.

2015-03-13  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb (Freeze_Profile): If the return type of a function
	being frozen is an untagged limited view and the function is
	abstract, mark the type as frozen because there is no later
	point at which the profile of the subprogram will be elaborated.

2015-03-13  Robert Dewar  <dewar@adacore.com>

	* einfo.adb, einfo.ads, atree.adb, atree.ads, atree.h: Add seventh
	component to entities. Add new fields Field36-41 and Node36-41.

2015-03-13  Claire Dross  <dross@adacore.com>

	* inline.adb (Can_Be_Inlined_In_GNATprove_Mode): Rewrite after review.

2015-03-13  Robert Dewar  <dewar@adacore.com>

	* exp_util.adb (Is_Volatile_Reference): Compile time known
	value is never considered to be a volatile reference.

2015-03-13  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb (Analyze_Object_Contract): Suppress "constant
	cannot be volatile" for internally generated object (such as
	FIRST and LAST constants).

2015-03-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Validate_Access_Subprogram_Instance): If a
	convention is specified for the formal parameter, verify that
	the actual has the same convention.
	* sem_prag.adb (Set_Convention_From_Pragma): Allow convention
	pragma to be set on a generic formal type.
	* sem_util.adb (Set_Convention): Ignore within an instance,
	as it has already been verified in the generic unit.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@221422 138bc75d-0d04-0410-961f-82ee72b054a4