2015-01-07 Robert Dewar <dewar@adacore.com>

2015-01-07  Robert Dewar  <dewar@adacore.com>

	* sem_warn.adb (Check_One_Unit): Don't give unused entities
	warning for a package which is used as a generic parameter.

2015-01-07  Bob Duff  <duff@adacore.com>

	* usage.adb (Usage): Correct documentation of
	-gnatw.f switches.

2015-01-07  Robert Dewar  <dewar@adacore.com>

	* s-fileio.adb: Minor reformatting.

2015-01-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Instantiate_Object): If formal is an anonymous
	access to subprogram, replace its formals with new entities when
	building the object declaration, both if actual is present and
	when it is defaulted.

2015-01-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Assignment): If left-hand side is a view
	conversion and type of expression has invariant, apply invariant
	check on expression.

2015-01-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Create_Constrained_Components): A call to
	Gather_Components may detect an error if an inherited discriminant
	that controls a variant is non-static.
	* sem_aggr.adb (Resolve_Record_Aggregate, Step 5): The call to
	Gather_Components may report an error if an inherited discriminant
	in a variant in non-static.
	* sem_util.adb (Gather_Components): If a non-static discriminant
	is inherited do not report error here, but let caller handle it.
	(Find_Actual): Small optimization.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219297 138bc75d-0d04-0410-961f-82ee72b054a4