diff --git a/test/runtime/samples/await-then-destruct-number-props/_config.js b/test/runtime/samples/await-then-destruct-number-props/_config.js
new file mode 100644
index 0000000000..6ef5e978d1
--- /dev/null
+++ b/test/runtime/samples/await-then-destruct-number-props/_config.js
@@ -0,0 +1,63 @@
+export default {
+	props: {
+		thePromise: new Promise(_ => {})
+	},
+
+	html: `
+		loading...
+	`,
+
+	async test({ assert, component, target }) {
+		await (component.thePromise = Promise.resolve([10, 11, 12, 13, 14, 15]));
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+				<p>[1] 11</p>
+        <p>[3] 13</p>
+				<p>[4] 14</p>
+			`
+		);
+
+		await (component.thePromise = Promise.resolve({ 1: 21, 3: 23, 4: 24 }));
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+				<p>[1] 21</p>
+				<p>[3] 23</p>
+				<p>[4] 24</p>
+			`
+		);
+
+		try {
+			await (component.thePromise = Promise.reject([30, 31, 32, 33, 34, 35]));
+		} catch (e) {
+			// do nothing
+		}
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+				<p>[0] 30</p>
+				<p>[2] 32</p>
+				<p>[5] 35</p>
+			`
+		);
+
+		try {
+		  await (component.thePromise = Promise.reject({ 0: 40, 2: 42, 5: 45 }));
+		} catch (e) {
+			// do nothing
+		}
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+				<p>[0] 40</p>
+				<p>[2] 42</p>
+				<p>[5] 45</p>
+			`
+		);
+	}
+};
diff --git a/test/runtime/samples/await-then-destruct-number-props/main.svelte b/test/runtime/samples/await-then-destruct-number-props/main.svelte
new file mode 100644
index 0000000000..aaeee9b353
--- /dev/null
+++ b/test/runtime/samples/await-then-destruct-number-props/main.svelte
@@ -0,0 +1,15 @@
+<script>
+	export let thePromise;
+</script>
+
+{#await thePromise}
+	loading...
+{:then { 1: a, 3: b, 4: c }}
+	<p>[1] {a}</p>
+	<p>[3] {b}</p>
+	<p>[4] {c}</p>
+{:catch { 0: d, 2: e, 5: f }}
+	<p>[0] {d}</p>
+	<p>[2] {e}</p>
+	<p>[5] {f}</p>
+{/await}
diff --git a/test/runtime/samples/await-then-destruct-string-props/_config.js b/test/runtime/samples/await-then-destruct-string-props/_config.js
new file mode 100644
index 0000000000..6517f6bf20
--- /dev/null
+++ b/test/runtime/samples/await-then-destruct-string-props/_config.js
@@ -0,0 +1,17 @@
+export default {
+	async test({ assert, target }) {
+		await Promise.resolve();
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+			<p>prop-1: 1</p>
+			<p>prop4: 4</p>
+			<p>rest: {"prop2":2,"prop-3":3}</p>
+			<p>prop-7: 7</p>
+			<p>prop6: 6</p>
+			<p>rest: {"prop-5":5,"prop8":8}</p>
+			`
+		);
+	}
+};
diff --git a/test/runtime/samples/await-then-destruct-string-props/main.svelte b/test/runtime/samples/await-then-destruct-string-props/main.svelte
new file mode 100644
index 0000000000..608b1161f5
--- /dev/null
+++ b/test/runtime/samples/await-then-destruct-string-props/main.svelte
@@ -0,0 +1,19 @@
+<script>
+  const object = Promise.resolve({ 'prop-1': 1, 'prop2': 2, 'prop-3': 3, 'prop4': 4 });
+  const objectReject = Promise.reject({ 'prop-5': 5, 'prop6': 6, 'prop-7': 7, 'prop8': 8 });
+</script>
+
+{#await object then { 'prop-1': prop1, 'prop4': fourthProp, ...rest }}
+	<p>prop-1: {prop1}</p>
+	<p>prop4: {fourthProp}</p>
+	<p>rest: {JSON.stringify(rest)}</p>
+{/await}
+
+{#await objectReject then value}
+	resolved
+{:catch { 'prop-7': prop7, 'prop6': sixthProp, ...rest }}
+	<p>prop-7: {prop7}</p>
+	<p>prop6: {sixthProp}</p>
+	<p>rest: {JSON.stringify(rest)}</p>
+{/await}
+