https://git.ruby-lang.org/ruby.git/commit/?id=702961a88b

From 702961a88bbbfd556139c208d8f4d373b52e530d Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Fri, 14 May 2021 15:44:13 +0900
Subject: test/ruby/test_refinement.rb: prevent "assigned but unused variable"

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

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index b386c3a..50f0333 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -2490,7 +2490,7 @@ class TestRefinement < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_refinement.rb#L2490
 
   def test_defining_after_cached
     klass = Class.new
-    refinement = Module.new { refine(klass) { def foo; end } }
+    _refinement = Module.new { refine(klass) { def foo; end } }
     klass.new.foo rescue nil # cache the refinement method entry
     klass.define_method(:foo) { 42 }
     assert_equal(42, klass.new.foo)
-- 
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