Fix issues and add test
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4 changed files with 15 additions and 3 deletions
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@ -1,7 +1,6 @@
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use std::cmp;
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use crate::ich::StableHashingContext;
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use chalk_ir::Substitution;
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use rustc_data_structures::fx::{FxHashMap, FxHashSet};
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use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
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use rustc_errors::{DiagnosticBuilder, DiagnosticId};
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