libc = "0.2"
tracing = "0.1"
rayon = { version = "0.3.0", package = "rustc-rayon" }
-smallvec = { version = "1.0", features = ["union", "may_dangle"] }
+smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
rustc_ast = { path = "../rustc_ast" }
rustc_attr = { path = "../rustc_attr" }
rustc_builtin_macros = { path = "../rustc_builtin_macros" }