From c28ac75a8728efbb08f1a818f2291fc53b1aa5f0 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 18 Aug 2022 12:58:30 +0900
Subject: [PATCH] vm.c (mrb_funcall_with_block): avoid use of
 MRB_METHOD_CFUNC_P().

---
 src/vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vm.c b/src/vm.c
index 44d08db89..52c5cfbbe 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -666,7 +666,7 @@ mrb_funcall_with_block(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc
     ci->mid = mid;
     ci->proc = MRB_METHOD_PROC_P(m) ? MRB_METHOD_PROC(m) : NULL;
 
-    if (MRB_METHOD_CFUNC_P(m)) {
+    if (ci->proc == NULL) {
       ci->stack[0] = self;
       val = MRB_METHOD_CFUNC(m)(mrb, self);
       cipop(mrb);