fix await stuck indefinitely without catch (#5402)

Author: tanhauhau

CHANGELOG.md

@@ -6,6 +6,7 @@
 * Fix transitions that are parameterised with stores ([#5244](https://github.com/sveltejs/svelte/issues/5244))
 * Fix scoping of styles involving child selector and `*` ([#5370](https://github.com/sveltejs/svelte/issues/5370))
 * Fix destructuring which reassigns stores ([#5388](https://github.com/sveltejs/svelte/issues/5388))
+* Fix `{#await}`s with no `{:catch}` getting stuck unresolved if the promise rejects ([#5401](https://github.com/sveltejs/svelte/issues/5401))
 
 ## 3.25.0
 

src/runtime/internal/await_block.ts

@@ -59,12 +59,12 @@ export function handle_promise(promise, info) {
 			update(info.then, 1, info.value, value);
 			set_current_component(null);
 		}, error => {
-			if (!info.hasCatch) {
-				throw error;
-			}
 			set_current_component(current_component);
 			update(info.catch, 2, info.error, error);
 			set_current_component(null);
+			if (!info.hasCatch) {
+				throw error;
+			}
 		});
 
 		// if we previously had a then/catch block, destroy it

test/runtime/samples/await-without-catch/_config.js

@@ -39,6 +39,7 @@ export default {
 		})
 		.catch((err) => {
 			assert.equal(err.message, 'this error should be thrown');
+			assert.htmlEqual(target.innerHTML, '');
 		});
 	}
 };