https://git.ruby-lang.org/ruby.git/commit/?id=d597d7a8b6

From d597d7a8b6e753cfe40b8470c770f744adde5d4f Mon Sep 17 00:00:00 2001
From: Yale Kozinski <ytk@k...>
Date: Mon, 23 Nov 2020 01:17:06 -0800
Subject: Fixing glitchy kill ring behavior in irb See
 https://github.com/ruby/irb/issues/85 for details


diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index df4903c..65878fe 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -183,7 +183,7 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L183
     @cleared = false
     @rerender_all = false
     @history_pointer = nil
-    @kill_ring = Reline::KillRing.new
+    @kill_ring ||= Reline::KillRing.new
     @vi_clipboard = ''
     @vi_arg = nil
     @waiting_proc = nil
-- 
cgit v0.10.2


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