2016-04-18  Arnaud Charlet  <charlet@adacore.com>

	* sem_res.adb (Resolve_Entry_Call): reset
	Is_Overloaded flag after resolving calls to overloaded protected
	operations.
	* exp_spark.adb (Expand_SPARK): call
	Qualify_Entity_Names for tasking nodes, i.e. protected types,
	task types and entries.
	* exp_ch4.adb (Expand_N_If_Expression): Refine previous change
	in case of an unconstrained type.

2016-04-18  Yannick Moy  <moy@adacore.com>

	* sem_eval.adb, sem_eval.ads (Check_Non_Static_Context): Add
	comment to document usage of subprogram in GNATprove.

From-SVN: r235145