From: Richard M. Stallman <rms@gnu.org>
Date: Sun, 4 Jul 1993 20:07:28 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: GNU_ORIG~92
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/fb75fa822d8c8cc89759fe633a36ea5c79bee134

*** empty log message ***
---

diff --git a/bison.simple b/bison.simple
index d8b16340..49c8b857 100644
--- a/bison.simple
+++ b/bison.simple
@@ -442,7 +442,8 @@ yydefault:
 /* Do a reduction.  yyn is the number of a rule to reduce with.  */
 yyreduce:
   yylen = yyr2[yyn];
-  yyval = yyvsp[1-yylen]; /* implement default value of the action */
+  if (yylen > 0)
+    yyval = yyvsp[1-yylen]; /* implement default value of the action */
 
 #if YYDEBUG != 0
   if (yydebug)
@@ -460,7 +461,7 @@ yyreduce:
 #endif
 
 $   /* the action file gets copied in in place of this dollarsign */
-#line 464 "bison.simple"
+#line 465 "bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;
diff --git a/src/bison.s1 b/src/bison.s1
index d8b16340..49c8b857 100644
--- a/src/bison.s1
+++ b/src/bison.s1
@@ -442,7 +442,8 @@ yydefault:
 /* Do a reduction.  yyn is the number of a rule to reduce with.  */
 yyreduce:
   yylen = yyr2[yyn];
-  yyval = yyvsp[1-yylen]; /* implement default value of the action */
+  if (yylen > 0)
+    yyval = yyvsp[1-yylen]; /* implement default value of the action */
 
 #if YYDEBUG != 0
   if (yydebug)
@@ -460,7 +461,7 @@ yyreduce:
 #endif
 
 $   /* the action file gets copied in in place of this dollarsign */
-#line 464 "bison.simple"
+#line 465 "bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;
diff --git a/src/bison.simple b/src/bison.simple
index d8b16340..49c8b857 100644
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -442,7 +442,8 @@ yydefault:
 /* Do a reduction.  yyn is the number of a rule to reduce with.  */
 yyreduce:
   yylen = yyr2[yyn];
-  yyval = yyvsp[1-yylen]; /* implement default value of the action */
+  if (yylen > 0)
+    yyval = yyvsp[1-yylen]; /* implement default value of the action */
 
 #if YYDEBUG != 0
   if (yydebug)
@@ -460,7 +461,7 @@ yyreduce:
 #endif
 
 $   /* the action file gets copied in in place of this dollarsign */
-#line 464 "bison.simple"
+#line 465 "bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;