X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2cec9080f685192e231333686b411fb524239a1b..b0f4c4eaa1da1437b18d5d8e250d666133225d8a:/src/nullable.c

diff --git a/src/nullable.c b/src/nullable.c
index ef65ef46..5bde4047 100644
--- a/src/nullable.c
+++ b/src/nullable.c
@@ -1,7 +1,7 @@
 /* Calculate which nonterminals can expand into the null string for Bison.
 
-   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2003, 2004, 2005 Free
-   Software Foundation, Inc.
+   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -104,8 +104,8 @@ nullable_compute (void)
 	else
 	  {
 	    /* This rule has an empty RHS. */
-	    if (item_number_as_rule_number (rules_ruleno->rhs[0]) != ruleno)
-	      abort ();
+	    aver (item_number_as_rule_number (rules_ruleno->rhs[0])
+		  == ruleno);
 	    if (rules_ruleno->useful
 		&& ! nullable[rules_ruleno->lhs->number - ntokens])
 	      {