From cd88f1ea323f3aa6dbe0ffe3bd0c153a01a46191 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 12 Apr 2016 13:40:21 -0700
Subject: [PATCH] Adding regression test

---
 .../cases/conformance/controlFlow/controlFlowWhileStatement.ts  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/cases/conformance/controlFlow/controlFlowWhileStatement.ts b/tests/cases/conformance/controlFlow/controlFlowWhileStatement.ts
index 697a867b88..dd31114adf 100644
--- a/tests/cases/conformance/controlFlow/controlFlowWhileStatement.ts
+++ b/tests/cases/conformance/controlFlow/controlFlowWhileStatement.ts
@@ -37,7 +37,9 @@ function e() {
     let x: string | number;
     x = "";
     while (cond) {
+        x; // string | number
         x = 42;
+        x; // number
     }
     x; // string | number
 }