a-cbhase.adb, [...]: Add iterator machinery to bounded sets and indefinite sets.

2011-09-27  Ed Schonberg  <schonberg@adacore.com>

	* a-cbhase.adb, a-cbhase.ads, a-cborse.adb, a-cborse.ads,
	a-cihase.adb, a-cihase.ads, a-ciorse.adb, a-ciorse.ads,
	a-coorse.adb, a-coorse.ads: Add iterator machinery to bounded sets and
	indefinite sets.
	* a-coorma.ads: Minor reformmating.
	* einfo.ads: Improve the comment describing the
	Directly_Designated_Type function.
	* a-ciorma.adb, a-ciorma.ads: Add iterator machinery to indefinite
	ordered maps.
	* gcc-interface/Makefile.in, gcc-interface/Make-lang.in: Update
	dependencies.

From-SVN: r179260