https://git.ruby-lang.org/ruby.git/commit/?id=d86c1a3161

From d86c1a31613adf6b97f79dbdc2ebc63135b64198 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Wed, 8 Sep 2021 22:22:58 +0900
Subject: [ruby/irb] Add yamatanooroti test for symbol with backtick

https://github.com/ruby/irb/commit/4d32f0e88e
---
 test/irb/yamatanooroti/test_rendering.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/irb/yamatanooroti/test_rendering.rb b/test/irb/yamatanooroti/test_rendering.rb
index bacc26b..ac6df30 100644
--- a/test/irb/yamatanooroti/test_rendering.rb
+++ b/test/irb/yamatanooroti/test_rendering.rb
@@ -153,6 +153,23 @@ begin https://github.com/ruby/ruby/blob/trunk/test/irb/yamatanooroti/test_rendering.rb#L153
       EOC
     end
 
+    def test_symbol_with_backtick
+      write_irbrc <<~'LINES'
+        puts 'start IRB'
+      LINES
+      start_terminal(40, 80, %W{ruby -I#{@pwd}/lib #{@pwd}/exe/irb}, startup_message: 'start IRB')
+      write(<<~EOC)
+        :`
+      EOC
+      close
+      assert_screen(<<~EOC)
+        start IRB
+        irb(main):001:0> :`
+        => :`
+        irb(main):002:0>
+      EOC
+    end
+
     private def write_irbrc(content)
       File.open(@irbrc_file, 'w') do |f|
         f.write content
-- 
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