commit c574f412380c58b6b215fafe04878f7047b18b6e
Author: Joel Brobecker <brobecker@adacore.com>
Date:   Mon Mar 23 17:08:52 2009 -0700

    Fix issues with 'first/'last/'length attributes.
    
        * ada-lang.c (ada_evaluate_subexp): [OP_ATR_FIRST, OP_ATR_LAST]
        [OP_ATR_LENGTH]: When using the attribute on a type, make sure
        to get the real type, not the associated typedef.

diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index b4e1eb9..b9a0a3d 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -8872,7 +8872,7 @@ ada_evaluate_subexp (struct type *expect_type, struct expression *exp,
           {
             evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP);
             arg1 = NULL;
-            type_arg = exp->elts[pc + 2].type;
+            type_arg = check_typedef (exp->elts[pc + 2].type);
           }
         else
           {