Add tests for reassigning stores with object destructuring

packages/svelte/test/runtime/samples/destructure-store-non-store-5/_config.js

@@ -0,0 +1,10 @@
+export default {
+	html: `
+		<p>7</p>
+		<p>8</p>
+		<p>9</p>
+		<p>10</p>
+		<p>11</p>
+		<p>12</p>
+	`
+};

packages/svelte/test/runtime/samples/destructure-store-non-store-5/main.svelte

@@ -0,0 +1,29 @@
+<script>
+	import { writable } from 'svelte/store'
+
+	let { firstNonStore, secondNonStore, thirdNonStore, firstStore, fourthNonStore, secondStore } = {
+		firstNonStore: 1,
+		secondNonStore: 2,
+		thirdNonStore: 3,
+		firstStore: writable(4),
+		fourthNonStore: 5,
+		secondStore: writable(6)
+	};
+
+	({ firstNonStore, secondNonStore, thirdNonStore, fourthNonStore, $firstStore, $secondStore } = {
+		firstNonStore: 7,
+		secondNonStore: 8,
+		thirdNonStore: 9,
+		fourthNonStore: 11,
+		$firstStore: 10,
+		$secondStore: 12
+	});
+</script>
+
+<p>{firstNonStore}</p>
+<p>{secondNonStore}</p>
+<p>{thirdNonStore}</p>
+<p>{$firstStore}</p>
+<p>{fourthNonStore}</p>
+<p>{$secondStore}</p>
+

packages/svelte/test/runtime/samples/destructure-store-non-store-6/_config.js

@@ -0,0 +1,10 @@
+export default {
+	html: `
+		<p>7</p>
+		<p>8</p>
+		<p>9</p>
+		<p>10</p>
+		<p>11</p>
+		<p>12</p>
+	`
+};

packages/svelte/test/runtime/samples/destructure-store-non-store-6/main.svelte

@@ -0,0 +1,22 @@
+<script>
+	import { writable } from 'svelte/store'
+
+	let { firstNonStore, secondNonStore, thirdNonStore, firstStore, fourthNonStore, secondStore } = {
+		firstNonStore: 1,
+		secondNonStore: 2,
+		thirdNonStore: 3,
+		firstStore: writable(4),
+		fourthNonStore: 5,
+		secondStore: writable(6)
+	};
+
+	([firstNonStore, secondNonStore, thirdNonStore, fourthNonStore, $firstStore, $secondStore] = [7, 8, 9, 11, 10, 12]);
+</script>
+
+<p>{firstNonStore}</p>
+<p>{secondNonStore}</p>
+<p>{thirdNonStore}</p>
+<p>{$firstStore}</p>
+<p>{fourthNonStore}</p>
+<p>{$secondStore}</p>
+