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should not copy promoted flags.

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* include/ruby/ruby.h (rb_clone_setup): should not copy some flags
  (FL_PROMOTED0|FL_PROMOTED1|FL_FINALIZE).
  [Bug #13775]

* test/ruby/test_object.rb: add a test (note that this test will fail
  only when RGENGC_CHECK_MODE >= 2).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59457 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2017-08-01 02:10:19 +00:00
parent 66cc7e043b
commit fb29a4dcda
2 changed files with 12 additions and 1 deletions
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3
include/ruby/ruby.h
View file

@ -2028,7 +2028,8 @@ rb_special_const_p(VALUE obj)
static inline void
rb_clone_setup(VALUE clone, VALUE obj)
{
rb_obj_setup(clone, rb_singleton_class_clone(obj), RBASIC(obj)->flags);
rb_obj_setup(clone, rb_singleton_class_clone(obj),
RBASIC(obj)->flags & ~(FL_PROMOTED0|FL_PROMOTED1|FL_FINALIZE));
rb_singleton_class_attached(RBASIC_CLASS(clone), clone);
if (RB_FL_TEST(obj, RUBY_FL_EXIVAR)) rb_copy_generic_ivar(clone, obj);
}

10
test/ruby/test_object.rb
View file

@ -934,4 +934,14 @@ class TestObject < Test::Unit::TestCase
num.times {a.clone.set}
end;
end
def test_clone_object_should_not_be_old
assert_normal_exit <<-EOS, '[Bug #13775]'
b = proc { }
10.times do |i|
b.clone
GC.start
end
EOS
end
end