From 25703ec9109197d67fb72f246a11239d00389ead Mon Sep 17 00:00:00 2001
From: Wei Huang <grubbyfans@gmail.com>
Date: Tue, 5 Apr 2022 09:37:52 +0200
Subject: [PATCH 1/3] Make Registry.send work when value part is present

Fix #11740.
---
 lib/elixir/lib/registry.ex               |  5 +++++
 lib/elixir/test/elixir/registry_test.exs | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/lib/elixir/lib/registry.ex b/lib/elixir/lib/registry.ex
index eaa87deee89..4a0b38c0749 100644
--- a/lib/elixir/lib/registry.ex
+++ b/lib/elixir/lib/registry.ex
@@ -260,6 +260,11 @@ defmodule Registry do
     end
   end
 
+  @doc false
+  def send({registry, key, _value}, msg) do
+    Registry.send({registry, key}, msg)
+  end
+
   @doc false
   def unregister_name({registry, key}), do: unregister(registry, key)
   def unregister_name({registry, key, _value}), do: unregister(registry, key)
diff --git a/lib/elixir/test/elixir/registry_test.exs b/lib/elixir/test/elixir/registry_test.exs
index b85390655d0..20ec5c5c94d 100644
--- a/lib/elixir/test/elixir/registry_test.exs
+++ b/lib/elixir/test/elixir/registry_test.exs
@@ -992,6 +992,20 @@ defmodule RegistryTest do
     assert {%RuntimeError{message: "some error"}, _stacktrace} = error
   end
 
+  test "send works", %{registry: registry} do
+    name = {registry, "self"}
+    Registry.register_name(name, self())
+    Registry.send(name, :message)
+    assert_received :message
+  end
+
+  test "send works with value", %{registry: registry} do
+    name = {registry, "self", "value"}
+    Registry.register_name(name, self())
+    Registry.send(name, :message)
+    assert_received :message
+  end
+
   defp register_task(registry, key, value) do
     parent = self()
 

From 65ead2d8c29a7b64eaef339ec19caa6bab923f7d Mon Sep 17 00:00:00 2001
From: Wei Huang <grubbyfans@gmail.com>
Date: Tue, 5 Apr 2022 10:00:50 +0200
Subject: [PATCH 2/3] Use GenServer.cast for testing

---
 lib/elixir/test/elixir/registry_test.exs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/elixir/test/elixir/registry_test.exs b/lib/elixir/test/elixir/registry_test.exs
index 20ec5c5c94d..68d099467dd 100644
--- a/lib/elixir/test/elixir/registry_test.exs
+++ b/lib/elixir/test/elixir/registry_test.exs
@@ -995,15 +995,15 @@ defmodule RegistryTest do
   test "send works", %{registry: registry} do
     name = {registry, "self"}
     Registry.register_name(name, self())
-    Registry.send(name, :message)
-    assert_received :message
+    GenServer.cast({:via, Registry, name}, :message)
+    assert_received {:"$gen_cast", :message}
   end
 
   test "send works with value", %{registry: registry} do
     name = {registry, "self", "value"}
     Registry.register_name(name, self())
-    Registry.send(name, :message)
-    assert_received :message
+    GenServer.cast({:via, Registry, name}, :message)
+    assert_received {:"$gen_cast", :message}
   end
 
   defp register_task(registry, key, value) do

From da4bf5b006d62a96913561614500782f4011552e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@gmail.com>
Date: Tue, 5 Apr 2022 10:23:08 +0200
Subject: [PATCH 3/3] Update lib/elixir/lib/registry.ex

---
 lib/elixir/lib/registry.ex | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/elixir/lib/registry.ex b/lib/elixir/lib/registry.ex
index 4a0b38c0749..4e6999a7d2c 100644
--- a/lib/elixir/lib/registry.ex
+++ b/lib/elixir/lib/registry.ex
@@ -260,7 +260,6 @@ defmodule Registry do
     end
   end
 
-  @doc false
   def send({registry, key, _value}, msg) do
     Registry.send({registry, key}, msg)
   end