From d202b1c037634939003b88fec921465969dec028 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Sat, 8 Oct 2016 15:27:49 -0700
Subject: [PATCH] Add test

---
 tests/cases/compiler/controlFlowArrays.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/cases/compiler/controlFlowArrays.ts b/tests/cases/compiler/controlFlowArrays.ts
index d5eaa9c4320..781b8c09d12 100644
--- a/tests/cases/compiler/controlFlowArrays.ts
+++ b/tests/cases/compiler/controlFlowArrays.ts
@@ -138,4 +138,13 @@ function f14() {
     x.push("hello");
     x.push(true);
     return x;  // (string | number | boolean)[]
+}
+
+function f15() {
+    let x = [];
+    while (cond()) {
+        while (cond()) {}
+        x.push("hello");
+    }
+    return x;  // string[]
 }
\ No newline at end of file