https://git.ruby-lang.org/ruby.git/commit/?id=5341eca588

From 5341eca588e738cd5031ab7d8bb5c300471c00e9 Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@r...>
Date: Sun, 3 Oct 2021 16:10:01 +0900
Subject: merge revision(s) ddb32e66160ab50849419ef7c7ac584913b79c34: [Backport
 #18173]

	[Bug #18173] Update loaded_features_index

	If $LOADED_FEATURES is changed in the just required file, also the
	index table needs to be updated before loaded_features_snapshot is
	reset.  If the snapshot is reset without updating the table, the
	name of the added feature will not be found.
	---
	 load.c                    |  1 +
	 test/ruby/test_require.rb | 17 +++++++++++++++++
	 2 files changed, 18 insertions(+)
---
 load.c                    |  1 +
 test/ruby/test_require.rb | 17 +++++++++++++++++
 version.h                 |  4 ++--
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/load.c b/load.c
index 2d931b91f0..e5b0ff435d 100644
--- a/load.c
+++ b/load.c
@@ -606,6 +606,7 @@ rb_provide_feature(VALUE feature) https://github.com/ruby/ruby/blob/trunk/load.c#L606
     }
     rb_str_freeze(feature);
 
+    get_loaded_features_index();
     rb_ary_push(features, rb_fstring(feature));
     features_index_add(feature, INT2FIX(RARRAY_LEN(features)-1));
     reset_loaded_features_snapshot();
diff --git a/test/ruby/test_require.rb b/test/ruby/test_require.rb
index 4c8faadbc7..52566ecbfb 100644
--- a/test/ruby/test_require.rb
+++ b/test/ruby/test_require.rb
@@ -839,6 +839,23 @@ class TestRequire < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_require.rb#L839
     }
   end
 
+  def test_provide_in_required_file
+    paths, loaded = $:.dup, $".dup
+    Dir.mktmpdir do |tmp|
+      provide = File.realdirpath("provide.rb", tmp)
+      File.write(File.join(tmp, "target.rb"), "raise __FILE__\n")
+      File.write(provide, '$" << '"'target.rb'\n")
+      $:.replace([tmp])
+      assert(require("provide"))
+      assert(!require("target"))
+      assert_equal($".pop, provide)
+      assert_equal($".pop, "target.rb")
+    end
+  ensure
+    $:.replace(paths)
+    $".replace(loaded)
+  end
+
   if defined?($LOAD_PATH.resolve_feature_path)
     def test_resolve_feature_path
       paths, loaded = $:.dup, $".dup
diff --git a/version.h b/version.h
index 7a107b85fe..43799945f5 100644
--- a/version.h
+++ b/version.h
@@ -12,11 +12,11 @@ https://github.com/ruby/ruby/blob/trunk/version.h#L12
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 3
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 138
+#define RUBY_PATCHLEVEL 139
 
 #define RUBY_RELEASE_YEAR 2021
 #define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 2
+#define RUBY_RELEASE_DAY 3
 
 #include "ruby/version.h"
 
-- 
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