fix: add `LabeledStatement` to `instance.ast` check

packages/svelte/src/compiler/phases/2-analyze/index.js

@@ -441,15 +441,16 @@ export function analyze_component(root, source, options) {
 			!module.scope.references.keys().some((name) => ['$$props', '$$restProps'].includes(name)) &&
 			!instance.ast.body.some(
 				(node) =>
-					node.type === 'ExportNamedDeclaration' &&
-					((node.declaration &&
-						node.declaration.type === 'VariableDeclaration' &&
-						node.declaration.kind === 'let') ||
-						node.specifiers.some(
-							(specifier) =>
-								specifier.local.type === 'Identifier' &&
-								instance.scope.get(specifier.local.name)?.declaration_kind === 'let'
-						))
+					node.type === 'LabeledStatement' ||
+					(node.type === 'ExportNamedDeclaration' &&
+						((node.declaration &&
+							node.declaration.type === 'VariableDeclaration' &&
+							node.declaration.kind === 'let') ||
+							node.specifiers.some(
+								(specifier) =>
+									specifier.local.type === 'Identifier' &&
+									instance.scope.get(specifier.local.name)?.declaration_kind === 'let'
+							)))
 			),
 		tracing: false,
 		classes: new Map(),