https://git.ruby-lang.org/ruby.git/commit/?id=374904b25f

From 374904b25f0cd399b800d9b822659fbff382b23c Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Wed, 19 Jan 2022 17:44:53 +0900
Subject: remain `RUBY_ON_BUG` for child processes.

`RUBY_ON_BUG` is useful for child processes created by the test
process.
---
 tool/lib/envutil.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tool/lib/envutil.rb b/tool/lib/envutil.rb
index 0391b90c1cc..e21305c9ef7 100644
--- a/tool/lib/envutil.rb
+++ b/tool/lib/envutil.rb
@@ -152,7 +152,12 @@ module EnvUtil https://github.com/ruby/ruby/blob/trunk/tool/lib/envutil.rb#L152
     if RUBYLIB and lib = child_env["RUBYLIB"]
       child_env["RUBYLIB"] = [lib, RUBYLIB].join(File::PATH_SEPARATOR)
     end
-    child_env['ASAN_OPTIONS'] = ENV['ASAN_OPTIONS'] if ENV['ASAN_OPTIONS']
+
+    # remain env
+    %w(ASAN_OPTIONS RUBY_ON_BUG).each{|name|
+      child_env[name] = ENV[name] if ENV[name]
+    }
+
     args = [args] if args.kind_of?(String)
     pid = spawn(child_env, *precommand, rubybin, *args, opt)
     in_c.close
-- 
cgit v1.2.1


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/