Auto merge of #68154 - ssomers:btreemap_navigation_benches, r=Mark-Simulacrum

[rust.git] / src / librustc_typeck / lib.rs

diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs
index b951883ac195a2888c8b9803765d3e823e61e264..7e63a0254e845e96c8230dd5d4da5f1a8a9f0294 100644 (file)
--- a/src/librustc_typeck/lib.rs
+++ b/src/librustc_typeck/lib.rs
@@ -64,7 +64,7 @@
 #![feature(exhaustive_patterns)]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
-#![feature(slice_patterns)]
+#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(try_blocks)]
 #![feature(never_type)]
 #![recursion_limit = "256"]
@@ -109,8 +109,6 @@
 use rustc_span::{Span, DUMMY_SP};
 use rustc_target::spec::abi::Abi;
 
-use rustc_error_codes::*;
-
 use std::iter;
 
 use astconv::{AstConv, Bounds};