r138704 - in /trunk/gcc/ada: ChangeLog opt.ads ...

[charlet@gcc.gnu.org]

Author: charlet
Date: Tue Aug  5 13:24:27 2008
New Revision: 138704

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138704
Log:
2008-08-05  Robert Dewar  <dewar@adacore.com>

	* opt.ads (Warn_On_Biased_Representation): New flag
	
	* sem_ch13.adb:
	(Analyze_Attribute_Definition_Clause): Issue warning when biased
	representation is required.
	(Minimum_Size): Don't allow biasing if enum rep clause case
	
	* sem_warn.adb:
	(Set_Dot_Warning_Switch): Add handling of -gnatw.b/B switches
	(Set_Warning_Switch): Include -gnatw.b in -gnatwa, -gnatw.B in gnatws
	
	* usage.adb: Add lines for -gnatw.b/B switches


Modified:
    trunk/gcc/ada/ChangeLog
    trunk/gcc/ada/opt.ads
    trunk/gcc/ada/sem_ch13.adb
    trunk/gcc/ada/sem_warn.adb
    trunk/gcc/ada/usage.adb