https://git.ruby-lang.org/ruby.git/commit/?id=0c131fb7ff

From 0c131fb7ff0b927d8d7bf5824dcb19ed2efc926d Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Thu, 26 Mar 2020 19:24:41 +0900
Subject: [ruby/net-ftp] Guard with under the Ruby 2.6

https://github.com/ruby/net-ftp/commit/bed4bc31db

diff --git a/test/net/ftp/test_ftp.rb b/test/net/ftp/test_ftp.rb
index 3f86d16..affe300 100644
--- a/test/net/ftp/test_ftp.rb
+++ b/test/net/ftp/test_ftp.rb
@@ -2274,7 +2274,7 @@ EOF https://github.com/ruby/ruby/blob/trunk/test/net/ftp/test_ftp.rb#L2274
           begin
             ftp = Net::FTP.new
             ftp.resume = resume
-            ftp.read_timeout = RubyVM::MJIT.enabled? ? 5 : 0.2 # use large timeout for --jit-wait
+            ftp.read_timeout = (defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?) ? 5 : 0.2 # use large timeout for --jit-wait
             ftp.connect(SERVER_ADDR, server.port)
             ftp.login
             assert_match(/\AUSER /, commands.shift)
-- 
cgit v0.10.2


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