Special consts should't allow clone(freeze: false) #813
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Special consts are FalseClass, TrueClass, NilClass and Symbol
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In some special classes, we cannot effectively pass
falsefor freeze option, even though it callsObject#clone.https://github.com/ruby/ruby/blob/185c5738211e16f289aa7448823f678348597bb5/test/ruby/test_object.rb#L81-L84
https://github.com/ruby/ruby/blob/185c5738211e16f289aa7448823f678348597bb5/object.c#L354
ref: #811