From 36b9a37a80d2b740c49b8d7e35572ade2c2b7fa4 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 22 Aug 2016 00:02:59 +0000
Subject: iseq.c: undef allocator

* iseq.c (Init_ISeq): undefine allocator of InstructionSequence,
  to get rid of segfaults at method call on uninitialized object.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_iseq.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_iseq.rb b/test/ruby/test_iseq.rb
index cdfa380edd..94aebe1f90 100644
--- a/test/ruby/test_iseq.rb
+++ b/test/ruby/test_iseq.rb
@@ -19,6 +19,10 @@ class TestISeq < Test::Unit::TestCase
     body.find_all{|e| e.kind_of? Integer}
   end
 
+  def test_allocate
+    assert_raise(TypeError) {ISeq.allocate}
+  end
+
   def test_to_a_lines
     src = <<-EOS
     p __LINE__ # 1
-- 
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