From d4fc98052730c7f1716166fb87f9aab00cbfec1d Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 29 Nov 2017 11:57:33 +0900
Subject: Need to evaluate ensure clauses at fiber termination.

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

diff --git a/src/vm.c b/src/vm.c
index ddb73d1a4..57df9d042 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1896,6 +1896,9 @@ RETRY_TRY_BLOCK:
               else {
                 struct mrb_context *c = mrb->c;
 
+                while (c->eidx > ci->epos) {
+                  ecall_adjust();
+                }
                 if (c->fib) {
                   mrb_write_barrier(mrb, (struct RBasic*)c->fib);
                 }
-- 
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