diff --git a/test/runtime/samples/lifecycle-onmount-infinite-loop/Child.svelte b/test/runtime/samples/lifecycle-onmount-infinite-loop/Child.svelte
new file mode 100644
index 0000000000..c1a538c62a
--- /dev/null
+++ b/test/runtime/samples/lifecycle-onmount-infinite-loop/Child.svelte
@@ -0,0 +1 @@
+Child
\ No newline at end of file
diff --git a/test/runtime/samples/lifecycle-onmount-infinite-loop/_config.js b/test/runtime/samples/lifecycle-onmount-infinite-loop/_config.js
new file mode 100644
index 0000000000..a76a2686ac
--- /dev/null
+++ b/test/runtime/samples/lifecycle-onmount-infinite-loop/_config.js
@@ -0,0 +1,6 @@
+export default {
+	test({ assert, component }) {
+		const { count } = component;
+		assert.deepEqual(count, 1);
+	}
+};
diff --git a/test/runtime/samples/lifecycle-onmount-infinite-loop/main.svelte b/test/runtime/samples/lifecycle-onmount-infinite-loop/main.svelte
new file mode 100644
index 0000000000..ba2da663d6
--- /dev/null
+++ b/test/runtime/samples/lifecycle-onmount-infinite-loop/main.svelte
@@ -0,0 +1,16 @@
+<script>
+	import { onMount } from 'svelte';
+	import Child from './Child.svelte';
+
+	let root;
+	export let count = 0;
+
+	onMount(() => {
+		if (count < 5) {
+			count++;
+			let child = new Child({target:root});
+		}
+	});
+</script>
+
+<div bind:this={root}></div>
\ No newline at end of file