extern crate syntax_pos;
extern crate flate;
extern crate serialize as rustc_serialize; // used by deriving
+extern crate owning_ref;
extern crate rustc_errors as errors;
extern crate syntax_ext;
extern crate proc_macro;
extern crate rustc_back;
extern crate rustc_const_math;
extern crate rustc_data_structures;
-extern crate rustc_llvm;
mod diagnostics;