add test for #2165

test/runtime/samples/mixed-let-export/_config.js

@@ -0,0 +1,9 @@
+export default {
+  props: {
+    a: 42
+  },
+
+  html: `
+    42
+  `
+}

test/runtime/samples/mixed-let-export/main.svelte

@@ -0,0 +1,7 @@
+<script>
+  let a, b, c, d;
+
+  export { a, c }
+</script>
+
+{a}