https://git.ruby-lang.org/ruby.git/commit/?id=3f0150f2fd

From 3f0150f2fd408421c4625976d0c88df27b6753d3 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 13 Oct 2021 22:19:25 +0900
Subject: [rubygems/rubygems] Keep loaded features

Now `$LOADED_FEATURES` list is being maintained by `setup` and
`teardown` and, only libaries under the temporary directory will
be removed.  As `save_loaded_features` removes the rest libraries
other than this test directory, ordinary libraries loaded from
files under rubygems also removed, and often causes constant
redefinition warnings.

https://github.com/rubygems/rubygems/commit/9e1f92aafd
---
 test/rubygems/helper.rb | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/test/rubygems/helper.rb b/test/rubygems/helper.rb
index 320f97e6c3..8014548b2c 100644
--- a/test/rubygems/helper.rb
+++ b/test/rubygems/helper.rb
@@ -826,13 +826,7 @@ class Gem::TestCase < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/rubygems/helper.rb#L826
   end
 
   def save_loaded_features
-    old_loaded_features = $LOADED_FEATURES.dup
     yield
-  ensure
-    prefix = File.dirname(__FILE__) + "/"
-    new_features = ($LOADED_FEATURES - old_loaded_features)
-    old_loaded_features.concat(new_features.select {|f| f.rindex(prefix, 0) })
-    $LOADED_FEATURES.replace old_loaded_features
   end
 
   def new_default_spec(name, version, deps = nil, *files)
-- 
cgit v1.2.1


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