rustc_hir_pretty = { path = "../rustc_hir_pretty" }
rustc_target = { path = "../rustc_target" }
rustc_session = { path = "../rustc_session" }
-smallvec = { version = "1.0", features = ["union", "may_dangle"] }
+smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
rustc_ast = { path = "../rustc_ast" }
rustc_span = { path = "../rustc_span" }
rustc_index = { path = "../rustc_index" }