040000 tree cec866292fc4f886deba283b0171d588febb75ab	optional.object.assign
040000 tree aa59d2adad6712186139e9fef6041f95bc1157b4	optional.object.ctor
040000 tree 0534ba1b218e1b0b10c892ce79435b579bf45684	optional.object.observe
100644 blob 7d868781ccafb4929bddc353cf237dc62049e9d5	triviality.abi.pass.cpp