new failing test for #2086

test/runtime/samples/each-block-keyed-nested/Child.svelte

@@ -0,0 +1,5 @@
+<script>
+	export let id;
+</script>
+
+{id}

test/runtime/samples/each-block-keyed-nested/_config.js

@@ -0,0 +1,16 @@
+export default {
+	html: `
+		1
+	`,
+
+	test({ assert, component, target }) {
+		component.desks = [
+			{
+				id: 1,
+				teams: [{ id: 2 }]
+			}
+		];
+
+		assert.htmlEqual(target.innerHTML, '2');
+	}
+};

test/runtime/samples/each-block-keyed-nested/main.svelte

@@ -0,0 +1,16 @@
+<script>
+	import Child from './Child.svelte';
+
+	export let desks = [
+		{
+			id: 1,
+			teams: [{ id: 1 }]
+		}
+	];
+</script>
+
+{#each desks as desk (desk.id)}
+	{#each desk.teams as team (team.id)}
+		<Child id={team.id} />
+	{/each}
+{/each}