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Don't copy RUBY_FL_PROMOTED flag in rb_obj_setup #9349

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Merged
merged 1 commit into from
Dec 25, 2023
Merged

Don't copy RUBY_FL_PROMOTED flag in rb_obj_setup #9349

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3 changes: 2 additions & 1 deletion object.c
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,8 @@ rb_obj_reveal(VALUE obj, VALUE klass)
VALUE
rb_obj_setup(VALUE obj, VALUE klass, VALUE type)
{
RBASIC(obj)->flags = type;
VALUE ignored_flags = RUBY_FL_PROMOTED;
RBASIC(obj)->flags = (type & ~ignored_flags) | (RBASIC(obj)->flags & ignored_flags);
RBASIC_SET_CLASS(obj, klass);
return obj;
}
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11 changes: 11 additions & 0 deletions test/ruby/test_method.rb
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Expand Up @@ -450,6 +450,17 @@ def m.bar; :bar; end
assert_equal(:bar, m.clone.bar)
end

def test_clone_under_gc_compact_stress
EnvUtil.under_gc_compact_stress do
o = Object.new
def o.foo; :foo; end
m = o.method(:foo)
def m.bar; :bar; end
assert_equal(:foo, m.clone.call)
assert_equal(:bar, m.clone.bar)
end
end

def test_inspect
o = Object.new
def o.foo; end; line_no = __LINE__
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