Update src/compile/Component.ts

Co-Authored-By: Rich-Harris <richard.a.harris@gmail.com>

src/compile/Component.ts

@@ -759,7 +759,7 @@ export default class Component {
 		const unsorted_reactive_declarations = [];
 
 		this.instance_script.content.body.forEach(node => {
-			if (node.type === 'LabeledStatement') {
+			if (node.type === 'LabeledStatement' && node.label.name === '$') {
 				this.reactive_declaration_nodes.add(node);
 
 				const assignees = new Set();
@@ -979,4 +979,4 @@ function process_meta(component, nodes) {
 	}
 
 	return meta;
-}
+}