* bignum.c (bigfixize): zero length Bignum is 0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22920 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/bignum.c b/bignum.c
index f508f71e02..3a317d0065 100644
--- a/bignum.c
+++ b/bignum.c
@@ -191,7 +191,8 @@ bigfixize(VALUE x)
     long len = RBIGNUM_LEN(x);
     BDIGIT *ds = BDIGITS(x);
 
-    if (len > 0 && len*SIZEOF_BDIGITS <= sizeof(long)) {
+    if (len == 0) return INT2FIX(0);
+    if (len*SIZEOF_BDIGITS <= sizeof(long)) {
 	long num = 0;
 #if 2*SIZEOF_BDIGITS > SIZEOF_LONG
 	num = (long)ds[0];