itertools = "0.10.1"
tracing = "0.1"
polonius-engine = "0.13.0"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
rustc_data_structures = { path = "../rustc_data_structures" }
rustc_errors = { path = "../rustc_errors" }
rustc_graphviz = { path = "../rustc_graphviz" }