https://git.ruby-lang.org/ruby.git/commit/?id=4bbb610011

From 4bbb61001187a285ba8e504ef2fdce9a4835966f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@r...>
Date: Wed, 18 Dec 2019 15:03:38 +0100
Subject: Emit warning when 'RubyGems' were not properly loaded.


diff --git a/gem_prelude.rb b/gem_prelude.rb
index 87f59fd..7a56d81 100644
--- a/gem_prelude.rb
+++ b/gem_prelude.rb
@@ -1,6 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/gem_prelude.rb#L1
 begin
   require 'rubygems.rb'
 rescue LoadError
+  warn "`RubyGems' were not loaded."
 end if defined?(Gem)
 
 begin
-- 
cgit v0.10.2


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