2013-04-11  Robert Dewar  <dewar@adacore.com>

	* sem_ch6.adb: Minor reformatting.

2013-04-11  Yannick Moy  <moy@adacore.com>

	* ali-util.adb (Read_Withed_ALIs): Do not consider it an error to
	read ALI files with No_Object=True in Alfa mode.
	* gnat1drv.adb: Set appropriately Back_End_Mode in Alfa mode, whether
	this is during frame condition generation of translation to Why.

2013-04-11  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb: Minor code reorganization
	* types.ads: Minor reformatting.

From-SVN: r197759