2012-01-06  Robert Dewar  <dewar@adacore.com>

	* a-wichha.ads, a-wichun.ads, a-zchhan.ads, a-zchuni.ads,
	s-utf_32.ads: Add pragma Pure
	* s-utf_32.adb: Suppress warnings on non-static constants (now
	that this is Pure).

2012-01-06  Bob Duff  <duff@adacore.com>

	* s-rpc.ads (Read, Write): Add overriding indicators.

2012-01-06  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Add documentation for conventions
	Ada_Pass_By_Copy and Ada_Pass_By_Reference.

2012-01-06  Gary Dismukes  <dismukes@adacore.com>

	* a-tienio.adb (Put): Add exception message on
	raise statements. Remove unneeded blocks and object declarations.

2012-01-06  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb: Minor reformatting.

2012-01-06  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads, sinfo.adb (Has_Prefixed_Call): New flag to indicate
	that a selected component within a generic unit has been resolved
	as a prefixed call with local references.
	* sem_ch3.adb (Is_Visible_Component): In an instance body a selected
	component is always visible.
	* sem_ch4.adb (Analyze_Selected_Component): If the node is a
	prefixed call in an instance, do not look for visible components
	of the type.
	* sem_ch12.adb (Reset_Entity): If a selected component has resolved
	to a prefixed call, mark the node accordingly when prefix and
	selector are local references.

From-SVN: r182954