https://git.ruby-lang.org/ruby.git/commit/?id=e83c02a768

From e83c02a768af61cd0890a75e90bcae1119d8bd93 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Fri, 5 Nov 2021 07:08:21 -0700
Subject: Delegate keywords from Enumerable#to_a to #each

Fixes [Bug #18289]
---
 enum.c                 | 2 +-
 test/ruby/test_enum.rb | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/enum.c b/enum.c
index d3384f523e9..a51b90296b7 100644
--- a/enum.c
+++ b/enum.c
@@ -713,7 +713,7 @@ enum_to_a(int argc, VALUE *argv, VALUE obj) https://github.com/ruby/ruby/blob/trunk/enum.c#L713
 {
     VALUE ary = rb_ary_new();
 
-    rb_block_call(obj, id_each, argc, argv, collect_all, ary);
+    rb_block_call_kw(obj, id_each, argc, argv, collect_all, ary, RB_PASS_CALLED_KEYWORDS);
 
     return ary;
 }
diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb
index 702c332cd22..c4706323fde 100644
--- a/test/ruby/test_enum.rb
+++ b/test/ruby/test_enum.rb
@@ -134,6 +134,11 @@ class TestEnumerable < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_enum.rb#L134
     assert_equal([1, 2, 3, 1, 2], @obj.to_a)
   end
 
+  def test_to_a_keywords
+    def @obj.each(foo:) yield foo end
+    assert_equal([1], @obj.to_a(foo: 1))
+  end
+
   def test_to_a_size_symbol
     sym = Object.new
     class << sym
-- 
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