2012-08-06  Robert Dewar  <dewar@adacore.com>

	* exp_util.adb, switch-c.adb, inline.ads, sem_ch10.adb, types.ads,
	checks.adb, sem_prag.adb, sem.adb, sem.ads, sem_res.adb, sem_attr.adb,
	gnat1drv.adb, exp_ch4.adb, exp_ch6.adb, opt.ads, osint.adb: Implement
	extended overflow checks (step 1).
	(Overflow_Check_Type, Suppress_Record, Suppress_All): New types.
	(Suppress_Array): Extended to include switches to control extended
	overflow checking (and renamed to Suppress_Record).
	Update all uses of Suppress_Array.

2012-08-06  Thomas Quinot  <quinot@adacore.com>

	* makeutl.ads: Minor documentation fix.

2012-08-06  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb: Minor reformatting.

From-SVN: r190166