Store hashes in special types so they aren't accidentally encoded as numbers

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index d20b168904d..26791304ef1 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -31,7 +31,7 @@ use Level::*;
 use emitter::{is_case_difference, Emitter, EmitterWriter};
 use registry::Registry;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet};
-use rustc_data_structures::stable_hasher::StableHasher;
+use rustc_data_structures::stable_hasher::{Hash128, StableHasher};
 use rustc_data_structures::sync::{self, Lock, Lrc};
 use rustc_data_structures::AtomicRef;
 pub use rustc_error_messages::{
@@ -427,7 +427,7 @@ struct HandlerInner {
     /// This set contains a hash of every diagnostic that has been emitted by
     /// this handler. These hashes is used to avoid emitting the same error
     /// twice.
-    emitted_diagnostics: FxHashSet<u128>,
+    emitted_diagnostics: FxHashSet<Hash128>,
 
     /// Stashed diagnostics emitted in one stage of the compiler that may be
     /// stolen by other stages (e.g. to improve them and add more information).