From a963e29b671f4754bc1d735e62cf7935b244b05b Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 29 Mar 2021 17:28:32 +0900
Subject: src/vm.c: calling C function may raise global jumps; fix #5391

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

(limited to 'src/vm.c')

diff --git a/src/vm.c b/src/vm.c
index bb1047a30..5d4d74b81 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -780,6 +780,7 @@ mrb_yield_with_class(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value
   mrb->c->ci->stack[argc+1] = mrb_nil_value();
 
   if (MRB_PROC_CFUNC_P(p)) {
+    ci->acc = CI_ACC_DIRECT;
     val = MRB_PROC_CFUNC(p)(mrb, self);
     cipop(mrb);
   }
-- 
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