2014-02-18  Robert Dewar  <dewar@adacore.com>

	* cstand.adb (Build_Signed_Integer_Type): Minor change of formal
	from Int to Nat (Build_Unsigned_Integer_Type): New procedure
	(Create_Standard): Create new unsigned types.
	* exp_ch4.adb (Expand_N_Op_Mod): Expand mod in Modify_Tree_For_C
	mode (Expand_N_Reference): Removed, problematic and not needed
	for now.
	* exp_ch4.ads (Expand_N_Reference): Removed, problematic and
	not needed for now.
	* exp_util.ads, exp_util.adb (Power_Of_Two): New function.
	* expander.adb: Remove call to Expand_N_Reference (problematic,
	and not needed now).
	* sem_aux.ads, sem_aux.adb (Corresponding_Unsigned_Type): New function.
	* stand.adb: Read and write unsigned type entities.
	* stand.ads: Add new unsigned types.

2014-02-18  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch4.adb (Analyze_Call): Do not mark a function call
	as being inside an assertion expression as the flag is now removed.
	(Check_Ghost_Subprogram_Call): Do not query the
	In_Assertion_Expression flag as it is now removed, instead use
	a predicate function.
	* sem_elab.adb (Check_Internal_Call_Continue): Do not query the
	In_Assertion_Expression flag as it is now removed, instead use
	a predicate function.
	* sem_prag.ads: Add new table Assertion_Expression_Pragma.
	* sem_util.adb Add with and use clause for Sem_Prag.
	(In_Assertion_Expression_Pragma): New routine.
	* sem_util.ads (In_Assertion_Expression_Pragma): New routine.
	* sinfo.adb (In_Assertion_Expression): Removed.
	(Set_In_Assertion_Expression): Removed.
	* sinfo.ads Remove flag In_Assertion_Expression along with its
	use in nodes.
	(In_Assertion_Expression): Removed along with
	pragma Inline.	(Set_In_Assertion_Expression): Removed along
	with pragma Inline.

2014-02-18  Sergey Rybin  <rybin@adacore.com frybin>

	* gnat_ugn.texi: gnatpp section: add note that '-j' cannot be
	used together with '-r', '-rf' or '-rnb' options.

2014-02-18  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_attr.adb (Analyze_Attribute): Comment
	and code reformatting. Use separate routines to check the
	legality of attribute 'Old in certain pragmas. Verify
	the use of 'Old, 'Result and locally declared entities
	within the prefix of 'Old.
	(Check_References_In_Prefix): New routine.
	(Check_Use_In_Contract_Cases): New routine.
	(Check_Use_In_Test_Case): New routine.

From-SVN: r207843