cut out the middleman

packages/svelte/src/compiler/phases/3-transform/client/visitors/AwaitExpression.js

@@ -14,11 +14,8 @@ export function AwaitExpression(node, context) {
 	}
 
 	return b.call(
-		b.member(
+		b.await(
-			b.await(
+			b.call('$.save', node.argument && /** @type {Expression} */ (context.visit(node.argument)))
-				b.call('$.save', node.argument && /** @type {Expression} */ (context.visit(node.argument)))
-			),
-			'restore'
 		)
 	);
 }

packages/svelte/src/compiler/phases/3-transform/client/visitors/VariableDeclaration.js

@@ -168,17 +168,14 @@ export function VariableDeclaration(node, context) {
 							b.declarator(
 								declarator.id,
 								b.call(
-									b.member(
+									b.await(
-										b.await(
+										b.call(
+											'$.save',
 											b.call(
-												'$.save',
+												'$.async_derived',
-												b.call(
+												rune === '$derived.by' ? value : b.thunk(value, true)
-													'$.async_derived',
-													rune === '$derived.by' ? value : b.thunk(value, true)
-												)
 											)
-										),
+										)
-										'restore'
 									)
 								)
 							)

packages/svelte/src/internal/client/dom/blocks/boundary.js

@@ -295,17 +295,15 @@ export function suspend() {
 /**
  * @template T
  * @param {Promise<T>} promise
- * @returns {Promise<{ restore: () => T }>}
+ * @returns {Promise<() => T>}
  */
 export async function save(promise) {
 	var restore = capture();
 	var value = await promise;
 
-	return {
+	return () => {
-		restore() {
+		restore();
-			restore();
+		return value;
-			return value;
-		}
 	};
 }