X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f16b08196c780556cbf50691e2944960aebc46f6..2ad7e09e963e72ac4c69bb10b866b68947197aaf:/src/print_graph.c?ds=sidebyside

diff --git a/src/print_graph.c b/src/print_graph.c
index 2db68151..b9bd8eee 100644
--- a/src/print_graph.c
+++ b/src/print_graph.c
@@ -1,7 +1,6 @@
 /* Output a graph of the generated parser, for Bison.
 
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
-   Foundation, Inc.
+   Copyright (C) 2001-2007, 2009-2010 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -82,7 +81,8 @@ print_core (struct obstack *oout, state *s)
 	obstack_fgrow1 (oout, " %s", symbols[*sp]->tag);
 
       /* Experimental feature: display the lookahead tokens. */
-      if (report_flag & report_lookahead_tokens)
+      if (report_flag & report_lookahead_tokens
+          && item_number_is_rule_number (*sp1))
 	{
 	  /* Find the reduction we are handling.  */
 	  reductions *reds = s->reductions;