From 8de500cefca5e021f9fc792badddfddf48b1b409 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 21 Aug 2012 16:49:00 +0000
Subject: bignum.c: keep first zero

* bignum.c (bigdivrem): keep first digit even if zero.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bignum.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'bignum.c')

diff --git a/bignum.c b/bignum.c
index 3f59b8edf9..6fb031e198 100644
--- a/bignum.c
+++ b/bignum.c
@@ -2812,7 +2812,7 @@ bigdivrem(VALUE x, VALUE y, volatile VALUE *divp, volatile VALUE *modp)
     if (modp) {			/* normalize remainder */
 	*modp = zz = rb_big_clone(z);
 	zds = BDIGITS(zz);
-	while (ny > 0 && !zds[ny-1]) --ny;
+	while (ny > 1 && !zds[ny-1]) --ny;
 	if (dd) {
 	    t2 = 0; i = ny;
 	    while(i--) {
-- 
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