2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch3.adb, exp_util.adb, sem_ch13.adb, exp_unst.adb: Minor
	reformatting.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Denotes_Iterator): Use root type to determine
	whether the ultimate ancestor is the predefined iterator
	interface pakage.
	* exp_ch5.adb (Expand_Iterator_Over_Container): simplify code
	and avoid reuse of Pack local variable.

2016-04-21  Olivier Hainque  <hainque@adacore.com>

	* system-vxworks-arm.ads, system-vxworks-sparcv9.ads,
	system-vxworks-ppc.ads, system-vxworks-m68k.ads,
	system-vxworks-mips.ads, system-vxworks-x86.ads: Define
	Executable_Extension to ".out".

From-SVN: r235304