040000 tree b2377d5aef513709e44021c329d2fb0a4491cb49	calling_conventions
040000 tree 3d57992ad496d515a40d416fc53150f813a13760	inline
040000 tree 717e09767ca4b560a659071d6089a41f32b17661	no_elided_lifetimes
040000 tree 7cff7be766893e285357eb58605e69d1802848e9	simple