040000 tree 2133b34d7ced13cdde1600a5d36ca99efc8a0dd7	compat-43
040000 tree 64d4b8707632ca81c246270dba1557514f664b4e	gen
040000 tree fe8768d5d169b119b88bf0ed614a7300fefef390	regex
040000 tree 0810c399431ed131a50cd7fceb174c89406e2a4f	stdlib
040000 tree 98cfba0c6f4fbe3c3e5f9c7fca5b91c0a364eb54	string