From c8538be4718b809994b49ee19f0a4b84249d5adf Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 19 Mar 2018 15:11:41 +0900
Subject: Needed to set `ci->proc` in `OP_SUPER`; fix #3966

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

(limited to 'src/vm.c')

diff --git a/src/vm.c b/src/vm.c
index 330bcd024..274eee253 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1662,6 +1662,9 @@ RETRY_TRY_BLOCK:
       if (MRB_METHOD_CFUNC_P(m)) {
         mrb_value v;
         ci->nregs = (argc < 0) ? 3 : n+2;
+        if (MRB_METHOD_PROC_P(m)) {
+          ci->proc = MRB_METHOD_PROC(m);
+        }
         v = MRB_METHOD_CFUNC(m)(mrb, recv);
         mrb_gc_arena_restore(mrb, ai);
         if (mrb->exc) goto L_RAISE;
-- 
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