X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/52489d44456f33e4543cee350cc3eaea5a4426fe..217598dadc1d5aa72f430b1ac5584de8f385b596:/data/yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index d2d06a10..5b5da3c5 100644
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -667,7 +667,7 @@ b4_c_function([yyreport_parse_error],
 	 YYCHECK.  */
       for (yyx = yyn < 0 ? -yyn : 0;
 	   yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
-	if (yycheck[yyx + yyn] == yyx)
+	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
 	  yysize += yystrlen (yytname[yyx]) + 15, yycount++;
       yysize += yystrlen ("parse error, unexpected ") + 1;
       yysize += yystrlen (yytname[yytype]);
@@ -683,7 +683,7 @@ b4_c_function([yyreport_parse_error],
 	      for (yyx = yyn < 0 ? -yyn : 0;
 		   yyx < (int) (sizeof (yytname) / sizeof (char *));
 		   yyx++)
-		if (yycheck[yyx + yyn] == yyx)
+		if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
 		  {
 		    const char *yyq = ! yycount ? ", expecting " : " or ";
 		    yyp = yystpcpy (yyp, yyq);