From df350766025e97f55b86ee51f71509cfa6b1e005 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Tue, 13 Dec 2016 17:17:47 +0900
Subject: Restore callinfo offset in mrb_yield_with_class()

---
 src/vm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/vm.c b/src/vm.c
index 76f56298f..1ea23afc7 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -654,11 +654,13 @@ mrb_yield_with_class(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value
   if (MRB_PROC_CFUNC_P(p)) {
     val = p->body.func(mrb, self);
     mrb->c->stack = mrb->c->ci->stackent;
-    cipop(mrb);
   }
   else {
+    int cioff = mrb->c->ci - mrb->c->cibase;
     val = mrb_run(mrb, p, self);
+    mrb->c->ci = mrb->c->cibase + cioff;
   }
+  cipop(mrb);
   return val;
 }
 
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