merges r24381 from trunk into ruby_1_9_1.

--
* thread.c (recursive_push): need to set UNTRUST.  [ruby-dev:38997]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@24464 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/thread.c b/thread.c
index c264b58af..ecc8f8482 100644
--- a/thread.c
+++ b/thread.c
@@ -3325,6 +3325,7 @@ recursive_push(VALUE hash, VALUE obj, VALUE paired_obj)
     sym = ID2SYM(rb_frame_this_func());
     if (NIL_P(hash) || TYPE(hash) != T_HASH) {
 	hash = rb_hash_new();
+	OBJ_UNTRUST(hash);
 	rb_thread_local_aset(rb_thread_current(), recursive_key, hash);
 	list = Qnil;
     }