2014-07-29  Robert Dewar  <dewar@adacore.com>

	* ali.adb (Initialize_ALI): Initialize SSO_Default_Specified
	(Scan_ALI): Set SSO_Default in ALIs_Record (Scan_ALI): Set
	SSO_Default_Specified.
	* ali.ads (ALIs_Record): Add field SSO_Default
	(SSO_Default_Specified): New global switch.
	* bcheck.adb (Check_Consistent_SSO_Default): New procedure
	(Check_Configuration_Consistency): Call this procedure
	* einfo.adb (SSO_Set_High_By_Default): New
	function (SSO_Set_Low_By_Default): New function
	(Set_SSO_Set_High_By_Default): New procedure
	(Set_SSO_Set_Low_By_Default): New procedure (Write_Entity_Flags):
	List new flags
	* einfo.ads (SSO_Set_Low_By_Default): New flag
	(SSO_Set_High_By_Default): New flag
	* freeze.adb (Set_SSO_From_Default): New procedure
	(Freeze_Array_Type): Call Set_SSO_From_Default
	(Freeze_Record_Type): Call Set_SSO_From_Default
	* gnat_rm.texi: Document pragma Default_Scalar_Storage_Order
	* lib-writ.adb (Write_ALI): Set OL/OH in P line as needed
	* lib-writ.ads: Add OL/OH parameters to P line
	* opt.adb: Set Default_SSO, Default_SSO_Config as appropriate
	* opt.ads (Default_SSO): New global switch (Default_SSO_Config):
	New global switch
	* repinfo.adb (List_Scalar_Storage_Order): List SSO when it is
	set by default using pragma Default_Scalar_Storage_Order.
	* sem.ads (Scope_Stack_Entry): Add component Save_Default_SSO
	* sem_ch13.adb (Inherit_Delayed_Rep_Aspects):
	Clear SSO defaults when explicit SSO is inherited.
	(Analyze_Attribute_Definition_Clause): Clear SSO defaults when
	explicit SSO is specified.
	(Inherit_Aspects_At_Freeze_Point):
	Clear SSO default when inheriting SSO.
	* sem_ch3.adb (Set_Default_SSO): New procedure
	(Analyze_Private_Extension_Declaration): Set defualt SSO
	(Array_Type_Declaration): ditto (Build_Derived_Array_Type): ditto
	(Build_Derived_Private_Type): ditto (Build_Derived_Record_Type):
	ditto (Build_Derived_Type): ditto (Make_Class_Wide_Type): ditto
	(Record_Type_Declaration): ditto
	* sem_ch8.adb (Pop_Scope): Restore Default_SSO (Push_Scope):
	Save Default_SSO
	* sem_prag.adb (Analyze_Pragma, case
	Default_Scalar_Storage_Order): Set Default_SSO

2014-07-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Valid_Operator_Definition): Verify that
	all parameter have mode IN. This check must be done here for
	subprogram instantiations that have operator names, because their
	analysis does not follow the same path as that for subprogram
	declarations.

From-SVN: r213167