add test that fails without revert

test/runtime/samples/reactive-statement-indirect/_config.js

@@ -0,0 +1,14 @@
+export default {
+	html: `
+		<h1>2</h1>
+		<button>Increment</button>
+	`,
+	async test({ assert, target }) {
+		await target.querySelector('button').dispatchEvent(new window.MouseEvent('click'));
+
+		assert.htmlEqual(target.innerHTML, `
+			<h1>4</h1>
+			<button>Increment</button>
+		`);
+	}
+};

test/runtime/samples/reactive-statement-indirect/main.svelte

@@ -0,0 +1,11 @@
+<script>
+	let count = 1;
+	// Could be a let or simplified, but this tests that it still works like this
+	$: indirect_double = 2;
+	$: if (count > 0) {
+		indirect_double = count * 2;
+	}
+</script>
+
+<h1>{indirect_double}</h1>
+<button on:click={() => count++}>Increment</button>