//! Construction of MIR from HIR.
//!
//! This crate also contains the match exhaustiveness and usefulness checking.
+#![allow(rustc::potential_query_instability)]
+#![feature(bool_to_option)]
#![feature(box_patterns)]
#![feature(control_flow_enum)]
#![feature(crate_visibility_modifier)]
-#![feature(bool_to_option)]
+#![feature(let_chains)]
#![feature(let_else)]
-#![feature(once_cell)]
#![feature(min_specialization)]
+#![feature(once_cell)]
#![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
#[macro_use]
extern crate tracing;