c{0: 0 label1 -- ((open 0))
c{0: 1 (((1 integer)) <- ((copy)) ((0 literal))) -- ((open 0))
c{1: 1 ✓ (((1 integer)) <- ((copy)) ((0 literal)))
cn0: convert-names in f1
cn0: (((1 integer)) <- ((copy)) ((0 literal))) nil nil
cn0: checking arg ((0 literal))
cn0: checking oarg ((1 integer))
maybe-add: ((1 integer))
cn1: label1
cn1: (((1 integer)) <- ((copy)) ((0 literal)))