From 002f6ea856f14d516b8e5e9c8d15f38240ece738 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 3 Aug 2018 06:53:14 +0000
Subject: ast.c: allocator of Node

* ast.c (Init_ast): undefine allocator of Node, as a method call
  on an uninitialized Node causes segfault.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64168 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_ast.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_ast.rb b/test/ruby/test_ast.rb
index f59b54c17a..27c6753a7e 100644
--- a/test/ruby/test_ast.rb
+++ b/test/ruby/test_ast.rb
@@ -129,6 +129,10 @@ class TestAst < Test::Unit::TestCase
     end
   end
 
+  def test_allocate
+    assert_raise(TypeError) {RubyVM::AST::Node.allocate}
+  end
+
   def test_column_with_long_heredoc_identifier
     term = "A"*257
     ast = RubyVM::AST.parse("<<-#{term}\n""ddddddd\n#{term}\n")
-- 
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