Fix issues and add test

This commit is contained in:
Ryan Levick 2021-06-01 18:01:13 +02:00
parent 69a19bfd43
commit 4675690ac4
4 changed files with 15 additions and 3 deletions

View file

@ -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};