2011-12-22 Ed Schonberg <schonberg@adacore.com>

2011-12-22  Ed Schonberg  <schonberg@adacore.com>

	* a-cohase.ads, a-cohase.adb: Update to latest RM version. Add
	aspect Constant_Reference to set type, and corresponding
	functions.
	* a-cihama.ads, a-cihama.adb: Update to latest RM version. Add
	function Reference to provide a proper element iterator construct
	over indefinite maps.

2011-12-22  Ed Schonberg  <schonberg@adacore.com>

	* exp_attr.adb (Expand_N_Attribute, case 'Access): Do not insert
	implicit conversion on prefix of Unrestricted_Access when prefix
	is an explicit dereference.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182617 138bc75d-0d04-0410-961f-82ee72b054a4