2016-06-16  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb (Overridden_Ancestor): Clean up code to use
	controlling type of desired primitive rather than its scope,
	because the primitive that inherits the classwide condition may
	comes from several derivation steps.

2016-06-16  Javier Miranda  <miranda@adacore.com>

	* einfo.adb (Set_Default_Init_Cond_Procedure): Allow calls setting
	this attribute to Empty (only if the attribute has not been set).
	* sem_util.adb (Build_Default_Init_Cond_Procedure_Body):
	No action needed if the spec was not built.
	(Build_Default_Init_Cond_Procedure_Declaration): The spec is
	not built if DIC is set to NULL or no condition was specified.
	* exp_ch3.adb (Expand_N_Object_Declaration): Check availability
	of the Init_Cond procedure before generating code to call it.

2016-06-16  Emmanuel Briot  <briot@adacore.com>

	* s-regpat.adb: Fix invalid index check when matching end-of-line
	on substrings.

2016-06-16  Arnaud Charlet  <charlet@adacore.com>

	* gnat1drv.adb: Minor reformatting.

From-SVN: r237516