exp_ch6.adb (Expand_N_Subprogram_Body): Avoid trying to unnest generic subprograms.

exp_ch6.adb (Expand_N_Subprogram_Body): Avoid trying to unnest generic subprograms.

2015-03-04  Robert Dewar  <dewar@adacore.com>

	* exp_ch6.adb (Expand_N_Subprogram_Body): Avoid trying to unnest
	generic subprograms.
	* exp_unst.adb (Check_Dynamic_Type): Handle record types properly
	(Note_Uplevel_Reference): Ignore uplevel references to non-types
	(Get_Level): Consider only subprograms, not blocks.
	(Visit_Node): Set proper condition for generating ARECnF entity.
	Ignore indirect calls. Ignore calls to subprograms
	outside our nest.
	(Unnest_Subprogram): Minor changes in dealing with ARECnF entity.
	(Add_Form_To_Spec): Properly set Last_Entity field.
	(Unnest_Subprogram): Set current subprogram scope for analyze calls.
	Handle case of no uplevel refs in outer subprogram
	Don't mark uplevel entities as aliased.
	Don't deal with calls with no ARECnF requirement.

2015-03-04  Robert Dewar  <dewar@adacore.com>

	* s-valrea.adb (Scan_Real): Remove redundant tests from scaling loops.
	* s-imgdec.adb (Set_Decimal_Digits): Remove redundant Max
	operation in computing LZ.
	* sem_attr.adb: Minor typo fix

From-SVN: r221177