040000 tree cd0f9e48647ff32caae1d2652e4765e2917c3686	optional.object.assign
040000 tree 53588b39a3afaf03cb5f4d905b0921aab1d6ad96	optional.object.ctor
100644 blob cdfb027364bed51fd55c2a86101f17d91cb81b24	triviality.abi.pass.cpp