finally

packages/svelte/src/compiler/phases/3-transform/server/transform-server.js

@@ -381,6 +381,10 @@ export function server_component(analysis, options) {
 		);
 	}
 
+	if (options.experimental.async) {
+		body.unshift(b.imports([], 'svelte/internal/flags/async'));
+	}
+
 	return {
 		type: 'Program',
 		sourceType: 'module',

packages/svelte/tests/server-side-rendering/test.ts

@@ -59,8 +59,6 @@ const { test, run } = suite_with_variants<SSRTest, 'sync' | 'async', CompileOpti
 			...config.compileOptions
 		};
 
-		console.log(compile_options);
-
 		if (!config.load_compiled) {
 			await compile_directory(test_dir, 'server', compile_options);
 		}

packages/svelte/tests/snapshot/samples/async-each-fallback-hoisting/_expected/server/index.svelte.js

@@ -1,3 +1,4 @@
+import 'svelte/internal/flags/async';
 import * as $ from 'svelte/internal/server';
 
 export default function Async_each_fallback_hoisting($$payload) {

packages/svelte/tests/snapshot/samples/async-each-hoisting/_expected/server/index.svelte.js

@@ -1,3 +1,4 @@
+import 'svelte/internal/flags/async';
 import * as $ from 'svelte/internal/server';
 
 export default function Async_each_hoisting($$payload) {

packages/svelte/tests/snapshot/samples/async-if-alternate-hoisting/_expected/server/index.svelte.js

@@ -1,3 +1,4 @@
+import 'svelte/internal/flags/async';
 import * as $ from 'svelte/internal/server';
 
 export default function Async_if_alternate_hoisting($$payload) {

packages/svelte/tests/snapshot/samples/async-if-hoisting/_expected/server/index.svelte.js

@@ -1,3 +1,4 @@
+import 'svelte/internal/flags/async';
 import * as $ from 'svelte/internal/server';
 
 export default function Async_if_hoisting($$payload) {