040000 tree 6b513a99a585644c5041b3b3b6c27e4c1d4d1af2	clang
040000 tree 8bfcceb664d8b757cf3d4d2e1a1bfcb3f7635902	golang
040000 tree 72f09bee23b6f0608498308d6315cb40509a0153	libcxx
040000 tree 6f097f51d76805b52d75d7d9d22d45ce5b5d34f2	python