https://git.ruby-lang.org/ruby.git/commit/?id=7d84251500

From 7d842515004e2a714f60a064fab90ac326418d1b Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Wed, 11 Aug 2021 14:02:28 +0900
Subject: Write log to stdout immediately

---
 test/readline/test_readline.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/readline/test_readline.rb b/test/readline/test_readline.rb
index c0f1b30..73e3df1 100644
--- a/test/readline/test_readline.rb
+++ b/test/readline/test_readline.rb
@@ -484,6 +484,7 @@ module BasetestReadline https://github.com/ruby/ruby/blob/trunk/test/readline/test_readline.rb#L484
     omit unless respond_to?(:assert_ruby_status)
     omit if /mswin|mingw/ =~ RUBY_PLATFORM
     code = <<-"end;"
+      $stdout.sync = true
       require 'readline'
       require 'helper'
       puts "Readline::VERSION is \#{Readline::VERSION}."
@@ -499,7 +500,6 @@ module BasetestReadline https://github.com/ruby/ruby/blob/trunk/test/readline/test_readline.rb#L500
         Thread.new{
           trap(:INT) {
             puts 'TRAP'
-            $stdout.flush
           }
           Readline.readline('input> ')
           exit!(0) # Cause the process to exit immediately.
-- 
cgit v1.1


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