From 3a73a5849388fe908af7131804f9fc7f55472651 Mon Sep 17 00:00:00 2001
From: Tomoyuki Sahara <tsahara@iij.ad.jp>
Date: Wed, 7 Jun 2017 11:36:37 +0900
Subject: mruby 1.2.0 assumes test blocks return their results.  master does
 not.

---
 test/io.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/io.rb b/test/io.rb
index ee4309b57..b654ff213 100644
--- a/test/io.rb
+++ b/test/io.rb
@@ -243,6 +243,7 @@ assert('IO.sysopen, IO#sysread') do
   io = IO.new fd, "w"
   assert_raise(IOError) { io.sysread(1) }
   io.close
+  true
 end
 
 assert('IO.sysopen, IO#syswrite') do
-- 
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