2007-12-06 Robert Dewar <dewar@adacore.com>
* sem_ch5.adb, s-taskin.adb, a-ciorma.adb, a-coorma.adb, a-cohama.adb,
a-cihama.adb, g-awk.adb,
s-inmaop-posix.adb: Update handling of assigned value/unreferenced
warnings
* exp_smem.adb: Update handling of assigned value/unreferenced warnings
* sem.adb: Update handling of assigned value/unreferenced warnings
* a-exexpr-gcc.adb: Add a pragma warnings off for boolean return
* lib-xref.ads: Improve documentation for k xref type
* lib-xref.adb:
Update handling of assigned value/unreferenced warnings
(Generate_Reference): Warning for reference to entity for which a
pragma Unreferenced has been given should be unconditional.
If the entity is a discriminal, mark the original
discriminant as referenced.
* sem_warn.ads, sem_warn.adb
(Check_One_Unit): Test Renamed_In_Spec to control giving warning for
no entities referenced in package
(Check_One_Unit): Don't give message about no entities referenced in
a package if a pragma Unreferenced has appeared.
Handle new warning flag -gnatw.a/-gnatw.A
Update handling of assigned value/unreferenced warnings
* atree.h: Add flags up to Flag247
(Flag231): New macro.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130815
138bc75d-0d04-0410-961f-
82ee72b054a4