From 5bab1304af25a843728dbcd2f3594913740aecb0 Mon Sep 17 00:00:00 2001
From: "Urabe, Shyouhei" <shyouhei@ruby-lang.org>
Date: Tue, 14 May 2019 11:44:20 +0900
Subject: fix visibility of SecureRandom.gen_random

Aliasing a method preserves its visibility.  These aliases turn
formerly-public methods into private.  Should make them public
again.  [Bug #15847]
---
 lib/securerandom.rb       | 2 ++
 test/test_securerandom.rb | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/lib/securerandom.rb b/lib/securerandom.rb
index 37835bf7df..205cb70be5 100644
--- a/lib/securerandom.rb
+++ b/lib/securerandom.rb
@@ -85,6 +85,7 @@ module SecureRandom
             class << self
               remove_method :gen_random
               alias gen_random gen_random_openssl
+              public :gen_random
             end
           end
           return gen_random(n)
@@ -94,6 +95,7 @@ module SecureRandom
           class << self
             remove_method :gen_random
             alias gen_random gen_random_urandom
+            public :gen_random
           end
         end
         return gen_random(n)
diff --git a/test/test_securerandom.rb b/test/test_securerandom.rb
index 69d24c0417..1bc35f91f8 100644
--- a/test/test_securerandom.rb
+++ b/test/test_securerandom.rb
@@ -184,4 +184,11 @@ end
       assert_equal(idx, @it.send(:gen_random_openssl, idx).size)
     end
   end
+
+  def test_repeated_gen_random
+    assert_nothing_raised NoMethodError, '[ruby-core:92633] [Bug #15847]' do
+      @it.gen_random(1)
+      @it.gen_random(1)
+    end
+  end
 end
-- 
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