From f6bb9cab17855818197760c3133da3fc559d5e96 Mon Sep 17 00:00:00 2001
From: Andrew Harward <andrew.harward@quantium.com.au>
Date: Fri, 13 Jan 2017 13:51:50 +1100
Subject: [PATCH] fix(combineLatest): Don't mutate array of observables passed
 to combineLatest

lease enter the commit message for your changes. Lines starting
---
 src/operator/combineLatest.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/operator/combineLatest.ts b/src/operator/combineLatest.ts
index 7cefe2e136..d06d1dfa24 100644
--- a/src/operator/combineLatest.ts
+++ b/src/operator/combineLatest.ts
@@ -79,7 +79,7 @@ export function combineLatest<T, R>(this: Observable<T>, ...observables: Array<O
   // if the first and only other argument besides the resultSelector is an array
   // assume it's been called with `combineLatest([obs1, obs2, obs3], project)`
   if (observables.length === 1 && isArray(observables[0])) {
-    observables = <any>observables[0];
+    observables = (<any>observables[0]).slice();
   }
 
   observables.unshift(this);