Rollup merge of rust-lang#91920 - Aaron1011:pred-stable-cmp, r=oli-obk

Use `tcx.def_path_hash` in `ExistentialPredicate.stable_cmp` This avoids a needless query invocation
matthiaskrgr · Dec 14, 2021 · 68c5cd2 · 68c5cd2
2 parents 4ce965f + 4d1d66b
commit 68c5cd2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
@@ -787,7 +787,7 @@ impl<'tcx> ExistentialPredicate<'tcx> {
                 tcx.def_path_hash(a.item_def_id).cmp(&tcx.def_path_hash(b.item_def_id))
             }
             (AutoTrait(ref a), AutoTrait(ref b)) => {
-                tcx.trait_def(*a).def_path_hash.cmp(&tcx.trait_def(*b).def_path_hash)
+                tcx.def_path_hash(*a).cmp(&tcx.def_path_hash(*b))
             }
             (Trait(_), _) => Ordering::Less,
             (Projection(_), Trait(_)) => Ordering::Greater,