040000 tree 25b7adc042a1939e754b52ca0b07e556a7c9c5d3	code
040000 tree dc6f61e758561826739845de5c09088de3a1764b	conversion
040000 tree d9ff2b49f6abfef5d0c5e74592ba331cc60dc744	desugar
040000 tree 0627dfdbe72404cd58f7e528a4292c5a59548fef	optimize
040000 tree ddee84a0f21a3f9651c523468fb5849252e6456a	regalloc
040000 tree 6aff0f00e28c6b13c50d3f91594c09c0b44458b8	synthetic