https://git.ruby-lang.org/ruby.git/commit/?id=df39476a12

From df39476a122135de458d614dec7ad34ef05ebdc3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@r...>
Date: Wed, 8 Apr 2020 20:58:32 +0200
Subject: [rubygems/rubygems] Remove unneeded dups

https://github.com/rubygems/rubygems/commit/2f072e3dc7

diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index a330157..62d0922 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -1637,8 +1637,8 @@ class TestGem < Gem::TestCase https://github.com/ruby/ruby/blob/trunk/test/rubygems/test_gem.rb#L1637
     assert_equal expected_specs, Gem.use_gemdeps.sort_by { |s| s.name }
   end
 
-  LIB_PATH = File.expand_path "../../../lib".dup, __FILE__.dup
-  BUNDLER_LIB_PATH = File.expand_path $LOAD_PATH.find {|lp| File.file?(File.join(lp, "bundler.rb")) }.dup
+  LIB_PATH = File.expand_path "../../../lib", __FILE__
+  BUNDLER_LIB_PATH = File.expand_path $LOAD_PATH.find {|lp| File.file?(File.join(lp, "bundler.rb")) }
   BUNDLER_FULL_NAME = "bundler-#{Bundler::VERSION}".freeze
 
   def add_bundler_full_name(names)
@@ -1665,7 +1665,7 @@ class TestGem < Gem::TestCase https://github.com/ruby/ruby/blob/trunk/test/rubygems/test_gem.rb#L1665
     ENV['RUBYGEMS_GEMDEPS'] = "-"
 
     path = File.join @tempdir, "gem.deps.rb"
-    cmd = [Gem.ruby.dup, "-I#{LIB_PATH}",
+    cmd = [Gem.ruby, "-I#{LIB_PATH}",
            "-I#{BUNDLER_LIB_PATH}", "-rrubygems"]
     cmd << "-eputs Gem.loaded_specs.values.map(&:full_name).sort"
 
@@ -1703,7 +1703,7 @@ class TestGem < Gem::TestCase https://github.com/ruby/ruby/blob/trunk/test/rubygems/test_gem.rb#L1703
     Dir.mkdir "sub1"
 
     path = File.join @tempdir, "gem.deps.rb"
-    cmd = [Gem.ruby.dup, "-Csub1", "-I#{LIB_PATH}",
+    cmd = [Gem.ruby, "-Csub1", "-I#{LIB_PATH}",
            "-I#{BUNDLER_LIB_PATH}", "-rrubygems"]
     cmd << "-eputs Gem.loaded_specs.values.map(&:full_name).sort"
 
-- 
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