From 853ca5ccebc71f3eb2235e8847f3b20a949943a2 Mon Sep 17 00:00:00 2001
From: Masataka Pocke Kuwabara <kuwabara@pocke.me>
Date: Sat, 25 Sep 2021 18:16:13 +0900
Subject: [PATCH] [ruby/irb] Remove `require` in signal handler to avoid
 ThreadError

`rdoc` has been required so it looks unnecessary

https://github.com/ruby/irb/commit/5f749c613c
---
 lib/irb/input-method.rb | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb
index ea3f31bffc..c91a99b561 100644
--- a/lib/irb/input-method.rb
+++ b/lib/irb/input-method.rb
@@ -319,11 +319,6 @@ module IRB
         [Reline::Key.new(nil, 0xE4, true)], # Normal Alt+d.
         [195, 164] # The "ä" that appears when Alt+d is pressed on xterm.
       ]
-      begin
-        require 'rdoc'
-      rescue LoadError
-        return nil
-      end
 
       if just_cursor_moving and completion_journey_data.nil?
         return nil