Minor code cleanup.

[bison.git] / src / print_graph.c

diff --git a/src/print_graph.c b/src/print_graph.c
index 2db681510e21bf5925bb3f53490f7a5537988cef..86877c35a6cbc33a99fac436872f38ca029ffaba 100644 (file)
--- a/src/print_graph.c
+++ b/src/print_graph.c
@@ -1,7 +1,7 @@
 /* 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, 2002, 2003, 2004, 2005, 2006, 2007, 2009 Free
+   Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -82,7 +82,8 @@ 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;