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-rw-r--r--compiler/rustc_data_structures/src/unhash.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_data_structures/src/unhash.rs b/compiler/rustc_data_structures/src/unhash.rs
index 48e21a9dab1..0617ef83aad 100644
--- a/compiler/rustc_data_structures/src/unhash.rs
+++ b/compiler/rustc_data_structures/src/unhash.rs
@@ -3,6 +3,7 @@ use std::hash::{BuildHasherDefault, Hasher};
 
 pub type UnhashMap<K, V> = HashMap<K, V, BuildHasherDefault<Unhasher>>;
 pub type UnhashSet<V> = HashSet<V, BuildHasherDefault<Unhasher>>;
+pub type UnindexMap<K, V> = indexmap::IndexMap<K, V, BuildHasherDefault<Unhasher>>;
 
 /// This no-op hasher expects only a single `write_u64` call. It's intended for
 /// map keys that already have hash-like quality, like `Fingerprint`.