From 39d0590869de4d94a16f9aa06334698d76fef5f9 Mon Sep 17 00:00:00 2001
From: Wesley Wigham <wewigham@microsoft.com>
Date: Thu, 7 Sep 2017 09:54:50 -0700
Subject: [PATCH] Adds comment

---
 src/harness/unittests/languageService.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/harness/unittests/languageService.ts b/src/harness/unittests/languageService.ts
index 9c838845c20..fd0a95c167f 100644
--- a/src/harness/unittests/languageService.ts
+++ b/src/harness/unittests/languageService.ts
@@ -17,6 +17,8 @@ class Carousel<T> extends Vue {
             "vue-class-component.d.ts": `import Vue from "./vue";
 export function Component(x: Config): any;`
 };
+        // Regression test for GH #18245 - bug in single line comment writer caused a debug assertion when attempting
+        //  to write an alias to a module's default export was referrenced across files and had no default export
         it("should be able to create a language service which can respond to deinition requests without throwing", () => {
             const languageService = ts.createLanguageService({
                 getCompilationSettings() {