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-rw-r--r--compiler/rustc_trait_selection/src/solve/delegate.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_trait_selection/src/solve/delegate.rs b/compiler/rustc_trait_selection/src/solve/delegate.rs
index 44230624ddb..16f444486a6 100644
--- a/compiler/rustc_trait_selection/src/solve/delegate.rs
+++ b/compiler/rustc_trait_selection/src/solve/delegate.rs
@@ -128,7 +128,7 @@ impl<'tcx> rustc_next_trait_solver::delegate::SolverDelegate for SolverDelegate<
             | ty::PredicateKind::Coerce(ty::CoercePredicate { a, b }) => {
                 match (self.shallow_resolve(a).kind(), self.shallow_resolve(b).kind()) {
                     (&ty::Infer(ty::TyVar(a_vid)), &ty::Infer(ty::TyVar(b_vid))) => {
-                        self.sub_ty_vids_raw(a_vid, b_vid);
+                        self.sub_unify_ty_vids_raw(a_vid, b_vid);
                         Some(Certainty::AMBIGUOUS)
                     }
                     _ => None,