ruby-changes:58589

https://git.ruby-lang.org/ruby.git/commit/?id=aa94245a09

From aa94245a09887f95bc0cd353b3462108d76d13ed Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 6 Nov 2019 08:54:32 +0900
Subject: Undefine MatchData.allocate [Feature #16294]


diff --git a/re.c b/re.c
index 34880a8..4b9d662 100644
--- a/re.c
+++ b/re.c
@@ -4110,6 +4110,7 @@ Init_Regexp(void) https://github.com/ruby/ruby/blob/trunk/re.c#L4110
     rb_cMatch  = rb_define_class("MatchData", rb_cObject);
     rb_define_alloc_func(rb_cMatch, match_alloc);
     rb_undef_method(CLASS_OF(rb_cMatch), "new");
+    rb_undef_method(CLASS_OF(rb_cMatch), "allocate");
 
     rb_define_method(rb_cMatch, "initialize_copy", match_init_copy, 1);
     rb_define_method(rb_cMatch, "regexp", match_regexp, 0);
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 05099d3..a1d49c5 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -1002,6 +1002,8 @@ class TestRegexp < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_regexp.rb#L1002
     assert_raise(TypeError) { Regexp.allocate.names }
     assert_raise(TypeError) { Regexp.allocate.named_captures }
 
+    assert_not_respond_to(MatchData, :allocate)
+=begin
     assert_raise(TypeError) { MatchData.allocate.hash }
     assert_raise(TypeError) { MatchData.allocate.regexp }
     assert_raise(TypeError) { MatchData.allocate.names }
@@ -1024,6 +1026,7 @@ class TestRegexp < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_regexp.rb#L1026
     assert_raise(TypeError) { $` }
     assert_raise(TypeError) { $' }
     assert_raise(TypeError) { $+ }
+=end
   end
 
   def test_unicode
@@ -1093,7 +1096,9 @@ class TestRegexp < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_regexp.rb#L1096
     assert_equal(a, b, '[ruby-core:24748]')
     h = {a => 42}
     assert_equal(42, h[b], '[ruby-core:24748]')
+=begin
     assert_match(/#<TestRegexp::MatchData_\u{3042}:/, MatchData_A.allocate.inspect)
+=end
 
     h = /^(?<@time>\d+): (?<body>.*)/.match("123456: hoge fuga")
     assert_equal("123456", h["@time"])
-- 
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