Fix issues and add test

2021-06-01 18:01:13 +02:00
parent 69a19bfd43
commit 4675690ac4
4 changed files with 15 additions and 3 deletions
--- a/compiler/rustc_middle/src/lint.rs
+++ b/compiler/rustc_middle/src/lint.rs
@@ -1,7 +1,6 @@
 use std::cmp;

 use crate::ich::StableHashingContext;
-use chalk_ir::Substitution;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_errors::{DiagnosticBuilder, DiagnosticId};