040000 tree 2f3e408532137a0aea72d905d497c7905deec3dd	code
040000 tree e5f25546f2c39a0c340e31b55df45ce5c4e48b1a	conversion
040000 tree d9ff2b49f6abfef5d0c5e74592ba331cc60dc744	desugar
040000 tree a93b80922bb9d71252ea8b3179847e331060ccbb	optimize
040000 tree 48d7407ed524c085e287be881a50c1bcd55bd5a9	regalloc
040000 tree 235d0f11188b21b10cea37a2431ea0bffe3cb2ce	synthetic