--- a/stage1_2/iec_bison.yy	Thu Apr 04 18:55:20 2013 +0100
+++ b/stage1_2/iec_bison.yy	Fri Jul 19 13:31:35 2013 +0100
@@ -276,7 +276,7 @@
     long int    last_order;
 } YYLTYPE;
 #define YYLTYPE_IS_DECLARED 1
-#define YYLTYPE_IS_TRIVIAL 1
+#define YYLTYPE_IS_TRIVIAL 0
 #endif
 
 }