a-cbmutr.adb: Minor reformatting

a-cbmutr.adb: Minor reformatting

2011-08-05  Robert Dewar  <dewar@adacore.com>

	* a-cbmutr.adb: Minor reformatting
	(Allocate_Node): refactor node allocation algorithm

2011-08-05  Robert Dewar  <dewar@adacore.com>

	* opt.ads, opt.adb (Debug_Pragmas_Disabled): New switch.
	* sem_prag.adb (Analyze_Pragma, case Debug_Policy): Implement Disable
	mode.
	(Analyze_Pragma, case Check_Policy): Ditto.
	* sem_prag.ads (Check_Disabled): New function
	* snames.ads-tmpl: Add Name_Disable.

2011-08-05  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document implementation-defined policy DISABLE for
	pragmas Assertion_Policy, Check_Policy, Debug_Policy.

From-SVN: r177459