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# DP: proposed patch for PR ada/27194.

--- a/src/gcc/gnatvsn.adb.orig	2005-07-01 03:29:17.000000000 +0200
+++ b/src/gcc/ada/gnatvsn.adb	2006-04-18 10:00:05.100002000 +0200
@@ -54,12 +54,13 @@
    ---/----------------------
 
    function Gnat_Version_String return String is
-      NUL_Pos : Positive := 1;
+      NUL_Pos : Positive := Version_String'Last;
    begin
-      loop
-         exit when Version_String (NUL_Pos) = ASCII.NUL;
-
-         NUL_Pos := NUL_Pos + 1;
+      for J in Version_String'Range loop
+         if Version_String (J) = ASCII.NUL then
+            NUL_Pos := J;
+            exit;
+         end if;
       end loop;
 
       return Version_String (1 .. NUL_Pos - 1);