Fix some broken tests

compiler/rustc_ast_lowering/src/lib.rs

@@ -1786,7 +1786,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
     /// `NodeId`.
     ///
     /// `transform_return_type`: if `Some`, applies some conversion to the return type, such as is
-    /// needed for `async fn` and `gen fn`. See [`FnReturnTransformation`] for more details.
+    /// needed for `async fn` and `gen fn`. See [`CoroutineKind`] for more details.
     #[instrument(level = "debug", skip(self))]
     fn lower_fn_decl(
         &mut self,

tests/ui-fulldeps/pprust-expr-roundtrip.rs

@@ -132,7 +132,7 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) {
                         binder: ClosureBinder::NotPresent,
                         capture_clause: CaptureBy::Value { move_kw: DUMMY_SP },
                         constness: Const::No,
-                        asyncness: Async::No,
+                        coro_kind: None,
                         movability: Movability::Movable,
                         fn_decl: decl.clone(),
                         body: e,