fix (#17507)

benchmarking/benchmarks/reactivity/tests/repeated_deps.bench.js

@@ -0,0 +1,35 @@
+import assert from 'node:assert';
+import * as $ from 'svelte/internal/client';
+
+const ARRAY_SIZE = 1000;
+
+export default () => {
+	const signals = Array.from({ length: ARRAY_SIZE }, (_, i) => $.state(i));
+	const order = $.state(0);
+
+	// break skipped_deps fast path by changing order of reads
+	const total = $.derived(() => {
+		const ord = $.get(order);
+		let sum = 0;
+		for (let i = 0; i < ARRAY_SIZE; i++) {
+			sum += /** @type {number} */ ($.get(signals[(i + ord) % ARRAY_SIZE]));
+		}
+		return sum;
+	});
+
+	const destroy = $.effect_root(() => {
+		$.render_effect(() => {
+			$.get(total);
+		});
+	});
+
+	return {
+		destroy,
+		run() {
+			for (let i = 0; i < 5; i++) {
+				$.flush(() => $.set(order, i));
+				assert.equal($.get(total), (ARRAY_SIZE * (ARRAY_SIZE - 1)) / 2); // sum of 0..999
+			}
+		}
+	};
+};