040000 tree 93f997f06da8581eedf6090624ce038eaf42ce64	code
040000 tree 8f2138b20dd2e62bf626f88869eac3ff8b8a7044	conversion
040000 tree 58e264bd49849948b2bfbf54740c7d18f4f1bf43	desugar
040000 tree 97533da7f9e80db4e60a3c9916285545b406577f	optimize
040000 tree 986abbcd0aa31c9c21cff219803933bd8961e5c2	regalloc
040000 tree b23432bfe49baa34aafdeb4ce273c21144de5e88	synthetic