2017-04-25  Thomas Quinot  <quinot@adacore.com>

	* sem_prag.adb (Analyze_Pragma, case Pragma_Check): Remove
	bogus circuitry for the case where Name is Predicate.

2017-04-25  Thomas Quinot  <quinot@adacore.com>

	* par_sco.adb(Traverse_Declarations_Or_Statements.Traverse_Aspects):
	Create SCOs for Predicate aspects in disabled
	state initially, to be enabled later on by...
	* sem_ch13.adb (Build_Predicate_Functions.Add_Predicates): Mark
	SCO for predicate as enabled.

2017-04-25  Hristian Kirtchev  <kirtchev@adacore.com>

	* comperr.adb (Compiler_Abort): Remove now obsolete pair of
	pragmas Warnings Off / On.
	* namet.adb (Finalize): Remove now obsolete pair of pragmas
	Warnings Off / On.
	* output.adb: Remove now obsolete pair of pragmas Warnings Off / On.
	* sem_warn.adb (Warn_On_Constant_Valid_Condition): Do not
	consider comparisons between static expressions because their
	values cannot be invalidated.
	* urealp.adb (Tree_Read): Remove now obsolete pair of pragmas
	Warnings Off / On.
	(Tree_Write): Remove now obsolete pair of pragmas Warnings Off / On.
	* usage.adb Remove now obsolete pair of pragmas Warnings Off / On.

2017-04-25  Bob Duff  <duff@adacore.com>

	* sem_elab.adb (In_Task_Activation): Trace internal calls in
	task bodies.

From-SVN: r247227