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040000 tree b8bfe93c0790fabf89ad27dfb298b40a6b6ed52d	gnuarmemb
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040000 tree 54dda0787eaf91e88aba3f856008b0c5bf4eaeed	issm
040000 tree a0b9994fd32d04b38ffd1651a6cb4ead33ddef5f	llvm
040000 tree 0e1b8fa1383bbc4244ff481140b8cc9ccd9f2c21	xcc
040000 tree dd5d8640be7759ee99c64a2763d3837af4af2368	xtools
040000 tree 9b89233ffbe2c4bc925ba841d61fcaf237cc7452	zephyr