rustc_index = { path = "../rustc_index" }
rustc_lexer = { path = "../rustc_lexer" }
rustc_macros = { path = "../rustc_macros" }
-smallvec = { version = "1.0", features = ["union", "may_dangle"] }
+smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
bitflags = "1.2.1"