* bignum.c (rb_big_odd_p): Check the bignum length.

  (rb_big_even_p): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/bignum.c b/bignum.c
index d3c0f7747b..7a73a5c8e2 100644
--- a/bignum.c
+++ b/bignum.c
@@ -6559,7 +6559,7 @@ rb_big_size(VALUE big)
 static VALUE
 rb_big_odd_p(VALUE num)
 {
-    if (BDIGITS(num)[0] & 1) {
+    if (RBIGNUM_LEN(num) != 0 && BDIGITS(num)[0] & 1) {
 	return Qtrue;
     }
     return Qfalse;
@@ -6575,7 +6575,7 @@ rb_big_odd_p(VALUE num)
 static VALUE
 rb_big_even_p(VALUE num)
 {
-    if (BDIGITS(num)[0] & 1) {
+    if (RBIGNUM_LEN(num) != 0 && BDIGITS(num)[0] & 1) {
 	return Qfalse;
     }
     return Qtrue;