2015-10-20  Bob Duff  <duff@adacore.com>

	* a-coinve.adb, a-contai.adb: Update comments.
	* pprint.ads: Minor reformatting.

2015-10-20  Tristan Gingold  <gingold@adacore.com>

	* env.c, init.c: Handle arm64-darwin like arm-darwin.
	* tracebak.c: Handle arm64-darwin.

2015-10-20  Bob Duff  <duff@adacore.com>

	* s-trasym.adb (Symbolic_Traceback): When giving the traceback
	as hexadecimal code addresses, separate by blanks instead of LF.

From-SVN: r229039