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

1 files changed, 2 insertions, 1 deletions

diff --git a/gcc/ada/a-cohama.adb b/gcc/ada/a-cohama.adb
index d8f7ff95d77..8d14442f8d1 100644
--- a/gcc/ada/a-cohama.adb
+++ b/gcc/ada/a-cohama.adb
@@ -852,9 +852,10 @@ package body Ada.Containers.Hashed_Maps is
          declare
             K : Key_Type renames Position.Node.Key;
             E : Element_Type renames Position.Node.Element;
-            pragma Unreferenced (E);
+
          begin
             Process (K, E);
+
          exception
             when others =>
                L := L - 1;