extern crate rustc_ast_lowering;
extern crate rustc_ast_pretty;
extern crate rustc_attr;
+extern crate rustc_const_eval;
extern crate rustc_data_structures;
extern crate rustc_driver;
extern crate rustc_errors;
extern crate rustc_lint_defs;
extern crate rustc_metadata;
extern crate rustc_middle;
-extern crate rustc_mir;
extern crate rustc_parse;
extern crate rustc_passes;
extern crate rustc_resolve;