message: Optimize all dependencies in debug mode
diff: +cargo-features = ["profile-overrides"]
  +
  [package]
  name = "rustc_codegen_cranelift"
  version = "0.1.0"
  @@ -30,3 +32,6 @@ byteorder = "1.2.6"
  #cranelift-module = { path = "../cranelift/lib/module" }
  #cranelift-simplejit = { path = "../cranelift/lib/simplejit" }
  #cranelift-faerie = { path = "../cranelift/lib/faerie" }
  +
  +[profile.dev.overrides."*"]
  +opt-level = 3
  