Rollup merge of #104359 - Nilstrieb:plus-one, r=fee1-dead

[rust.git] / compiler / rustc_hir_typeck / src / method / suggest.rs

diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs
index 8190163cba15b4bb8fde3ae5d1f86f3aa2c0439b..d0ea2b0e66475df861048ba32899c0e81cbaa0c3 100644 (file)
--- a/compiler/rustc_hir_typeck/src/method/suggest.rs
+++ b/compiler/rustc_hir_typeck/src/method/suggest.rs
@@ -68,16 +68,16 @@ fn is_fn_ty(&self, ty: Ty<'tcx>, span: Span) -> bool {
                 self.autoderef(span, ty).any(|(ty, _)| {
                     info!("check deref {:?} impl FnOnce", ty);
                     self.probe(|_| {
-                        let fn_once_substs = tcx.mk_substs_trait(
-                            ty,
-                            &[self
-                                .next_ty_var(TypeVariableOrigin {
+                        let trait_ref = tcx.mk_trait_ref(
+                            fn_once,
+                            [
+                                ty,
+                                self.next_ty_var(TypeVariableOrigin {
                                     kind: TypeVariableOriginKind::MiscVariable,
                                     span,
-                                })
-                                .into()],
+                                }),
+                            ],
                         );
-                        let trait_ref = ty::TraitRef::new(fn_once, fn_once_substs);
                         let poly_trait_ref = ty::Binder::dummy(trait_ref);
                         let obligation = Obligation::misc(
                             tcx,