1 #![feature(assert_matches)]
2 #![feature(core_intrinsics)]
3 #![feature(hash_raw_entry)]
5 #![feature(min_specialization)]
6 #![feature(extern_types)]
7 #![allow(rustc::potential_query_instability)]
12 extern crate rustc_data_structures;
14 extern crate rustc_macros;