merges r29040 from trunk into ruby_1_9_2.

--
* vm_insnhelper.c (vm_push_frame): initialize block_iseq.  a patch
  from Peter Weldon at [ruby-core:31757].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@29367 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index c801cd9c8a..85c793999f 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -58,6 +58,7 @@ vm_push_frame(rb_thread_t * th, const rb_iseq_t * iseq,
     cfp->self = self;
     cfp->lfp = lfp;
     cfp->dfp = sp;
+    cfp->block_iseq = 0;
     cfp->proc = 0;
     cfp->me = 0;