diff --git a/test/js/samples/assignment-anywhere/expected.js b/test/js/samples/assignment-anywhere/expected.js
new file mode 100644
index 0000000000..4d513cf0f5
--- /dev/null
+++ b/test/js/samples/assignment-anywhere/expected.js
@@ -0,0 +1,95 @@
+/* generated by Svelte vX.Y.Z */
+import {
+	SvelteComponent,
+	append,
+	attr,
+	detach,
+	element,
+	init,
+	insert,
+	listen,
+	noop,
+	safe_not_equal,
+	set_data,
+	space,
+	text
+} from "svelte/internal";
+
+function create_fragment(ctx) {
+	var button, t1, span, t2, t3, span_class_value, dispose;
+
+	return {
+		c() {
+			button = element("button");
+			button.textContent = "Click";
+			t1 = space();
+			span = element("span");
+			t2 = text("text + ");
+			t3 = text(ctx.num);
+			attr(span, "class", span_class_value = "text " + (ctx.toggle ? "red" : "blue"));
+			dispose = listen(button, "click", ctx._toggleMe);
+		},
+
+		m(target, anchor) {
+			insert(target, button, anchor);
+			insert(target, t1, anchor);
+			insert(target, span, anchor);
+			append(span, t2);
+			append(span, t3);
+		},
+
+		p(changed, ctx) {
+			if (changed.num) {
+				set_data(t3, ctx.num);
+			}
+
+			if ((changed.toggle) && span_class_value !== (span_class_value = "text " + (ctx.toggle ? "red" : "blue"))) {
+				attr(span, "class", span_class_value);
+			}
+		},
+
+		i: noop,
+		o: noop,
+
+		d(detaching) {
+			if (detaching) {
+				detach(button);
+				detach(t1);
+				detach(span);
+			}
+
+			dispose();
+		}
+	};
+}
+
+function instance($$self, $$props, $$invalidate) {
+	let toggle = false;
+		let num = 1
+
+    function _toggleMe() {
+
+        if ($$invalidate('toggle', toggle = !toggle)) {
+            console.log(toggle);
+        } else {
+            console.log(toggle);
+        }
+		}
+
+		function _increaseMe(){
+			if($$invalidate('num', num += 3)){
+				console.log('num has been increased')
+			}
+		}
+
+	return { toggle, num, _toggleMe };
+}
+
+class Component extends SvelteComponent {
+	constructor(options) {
+		super();
+		init(this, options, instance, create_fragment, safe_not_equal, []);
+	}
+}
+
+export default Component;
diff --git a/test/js/samples/assignment-anywhere/input.svelte b/test/js/samples/assignment-anywhere/input.svelte
new file mode 100644
index 0000000000..7f2099cac0
--- /dev/null
+++ b/test/js/samples/assignment-anywhere/input.svelte
@@ -0,0 +1,25 @@
+<script>
+		let toggle = false;
+		let num = 1
+
+    function _toggleMe() {
+
+        if (toggle = !toggle) {
+            console.log(toggle);
+        } else {
+            console.log(toggle);
+        }
+		}
+
+		function _increaseMe(){
+			if(num += 3){
+				console.log('num has been increased')
+			}
+		}
+
+</script>
+
+<button on:click={_toggleMe}>Click</button>
+<span class="text {toggle ? "red" : "blue"}">
+    text + {num}
+</span>