From 7a54b5b4cea05369e6f3a3e85b7bb88a653ed472 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 21 Dec 2017 11:59:31 +0000
Subject: [PATCH] test for [Bug #14214]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_optimization.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index 160f439b36..11cf1ffbfb 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -708,4 +708,14 @@ class TestRubyOptimization < Test::Unit::TestCase
     eval("{**(bug = nil; {})};42")
     assert_nil(bug)
   end
+
+  def test_overwritten_blockparam
+    obj = Object.new
+    def obj.a(&block)
+      block = 1
+      return :ok if block
+      :ng
+    end
+    assert_equal(:ok, obj.a())
+  end
 end