From 58889d77d226cb8f28b2d34cb4a31588d36fcd69 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 12 Jun 2017 02:20:09 +0000
Subject: * proc.c (get_local_variable_ptr): return found env ptr. Returned env
   will be used by write barrier at `bind_local_variable_set()'.   [Bug
 #13605]

* test/ruby/test_proc.rb: add a test for this issue.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_proc.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index 3a0b707885..68455c1bcc 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -1324,6 +1324,20 @@ class TestProc < Test::Unit::TestCase
     assert_equal(20, b.eval("b"))
   end
 
+  def test_local_variable_set_wb
+    assert_ruby_status([], <<-'end;', '[Bug #13605]')
+      b = binding
+      n = 20_000
+
+      n.times do |i|
+        v = rand(2_000)
+        name = "n#{v}"
+        value = Object.new
+        b.local_variable_set name, value
+      end
+    end;
+  end
+
   def test_local_variable_defined?
     b = get_binding
     assert_equal(true, b.local_variable_defined?(:a))
-- 
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