From adf1c94ffe75cea7d6b12ac10809656c15d33079 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 3 Apr 2013 07:35:35 +0000
Subject: bignum.c: hide intermediate Bignums

* bignum.c (rb_big_eq): hide intermediate Bignums not just freeing
  memory.  [ruby-core:53893] [Bug #8204]
* object.c (rb_obj_hide): hide an object by clearing klass.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40077 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bignum.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'bignum.c')

diff --git a/bignum.c b/bignum.c
index 6d2b25f997..b2daac75af 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1095,6 +1095,8 @@ big2str_karatsuba(VALUE x, int base, char* ptr,
 
     b = power_cache_get_power(base, n1, &m1);
     bigdivmod(x, b, &q, &r);
+    rb_obj_hide(q);
+    rb_obj_hide(r);
     lh = big2str_karatsuba(q, base, ptr, (len - m1)/2,
 			   len - m1, hbase, trim);
     rb_big_resize(q, 0);
-- 
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