2010-06-23  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch4.adb: Use predefined unsigned type in all cases.

2010-06-23  Bob Duff  <duff@adacore.com>

	* s-rannum.adb (Reset): Avoid overflow in calculation of Initiator.
	* g-pehage.ads: Minor comment fixes.
	* g-pehage.adb: Minor: Add some additional debugging printouts under
	Verbose flag.

2010-06-23  Robert Dewar  <dewar@adacore.com>

	* binde.adb (Better_Choice): Always prefer Pure/Preelab.
	(Worse_Choice): Always prefer Pure/Preelab.

From-SVN: r161246