040000 tree a5a099cd8e54c38ac14b528d80e3bc1e204e449d	includes
100644 blob b58f5c55b643afa06cbe68d6775bea59d146a613	nothing_to_do.pass.cpp
040000 tree 22f82dfe1458cca34e736a22c5ac5ae8ff26861a	set.difference
040000 tree 5b26d60dd9ed4df840e17a472e486785496ed1b9	set.intersection
040000 tree 57bc38d247f0710eec0a07ac3404c71eb1b89156	set.symmetric.difference
040000 tree d29a9231a41e5ca8bb0be632918fd89d47e6fee6	set.union