rustc_session = { path = "../rustc_session" }
rustc_span = { path = "../rustc_span" }
rustc_target = { path = "../rustc_target" }
+rustc_transmute = { path = "../rustc_transmute", features = ["rustc"] }
smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }