--- ./gdb/valarith.c	2014-06-17 19:05:09.286336188 +0200
+++ ./gdb/valarith.c	2014-06-17 19:14:46.752072463 +0200
@@ -195,10 +195,19 @@ value_subscripted_rvalue (struct value *
   struct type *array_type = check_typedef (value_type (array));
   struct type *elt_type = check_typedef (TYPE_TARGET_TYPE (array_type));
   unsigned int elt_size = TYPE_LENGTH (elt_type);
-  unsigned int elt_offs = longest_to_int (index - lowerbound);
+  unsigned int elt_offs;
   LONGEST elt_stride = TYPE_BYTE_STRIDE (TYPE_INDEX_TYPE (array_type));
   struct value *v;
 
+  if (TYPE_NOT_ASSOCIATED (array_type))
+    error (_("no such vector element because not associated"));
+  if (TYPE_NOT_ALLOCATED (array_type))
+    error (_("no such vector element because not allocated"));
+
+  if (index < lowerbound || (int) (index - lowerbound) != index - lowerbound)
+    error (_("no such vector element"));
+  elt_offs = longest_to_int (index - lowerbound);
+
   if (elt_stride > 0)
     elt_offs *= elt_stride;
   else if (elt_stride < 0)
@@ -210,16 +219,9 @@ value_subscripted_rvalue (struct value *
   else
     elt_offs *= elt_size;
 
-  if (index < lowerbound || (!TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (array_type)
-			     && elt_offs >= TYPE_LENGTH (array_type)))
-    {
-      if (TYPE_NOT_ASSOCIATED (array_type))
-        error (_("no such vector element because not associated"));
-      else if (TYPE_NOT_ALLOCATED (array_type))
-        error (_("no such vector element because not allocated"));
-      else
-        error (_("no such vector element"));
-    }
+  if (!TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (array_type)
+      && elt_offs >= TYPE_LENGTH (array_type))
+    error (_("no such vector element"));
 
   if (VALUE_LVAL (array) == lval_memory && value_lazy (array))
     v = allocate_value_lazy (elt_type);