2011-09-05  Hristian Kirtchev  <kirtchev@adacore.com>

	* s-finmas.adb (Set_Finalize_Address): Explain the reason
	for the synchronization. Move the test for null from
	s-stposu.Allocate_Any_Controlled to this routine since the check
	needs to be protected too.
	(Set_Heterogeneous_Finalize_Address): Explain the reason for the
	synchronization code.
	* s-finmas.ads (Set_Heterogeneous_Finalize_Address): Add comment
	explaining the context in which this routine is used.
	* s-stposu.adb (Allocate_Any_Controlled): Move the test for null
	to s-finmas.Set_Finalize_Address.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* einfo.ads: Document that itypes have no parent field.

2011-09-05  Robert Dewar  <dewar@adacore.com>

	* rtsfind.adb (Check_CRT): Check for overloaded entity
	* rtsfind.ads: Document that entities to be found by rtsfind
	cannot be overloaded
	* s-taenca.adb, s-tasren.adb, s-tpobop.adb, s-tpoben.ads, s-tpoben.adb
	(Lock_Entries_With_Status): New name for Lock_Entries with two
	arguments (changed to meet rtsfind no overloading rule).

From-SVN: r178551