040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 4a7949852113a6f3478e1acd24655337a68f36f0	library_desugar
040000 tree c63960598da98fda3db0d87de12a3ef3f1b23481	main
040000 tree 44835b7657ac2d0ebd65d2d096c48c5bed7a0339	test