From a1322873c8d3c1babc5d5c04f8c79e741195ede1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Werlang?= <beppe85@gmail.com>
Date: Mon, 5 Dec 2016 16:26:59 -0200
Subject: [PATCH] fix(facade): cache original format string (#12764)

---
 modules/@angular/facade/src/intl.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/@angular/facade/src/intl.ts b/modules/@angular/facade/src/intl.ts
index eb164913ac..c9bad05171 100644
--- a/modules/@angular/facade/src/intl.ts
+++ b/modules/@angular/facade/src/intl.ts
@@ -187,7 +187,8 @@ function dateFormatter(format: string, date: Date, locale: string): string {
 
   if (fn) return fn(date, locale);
 
-  let parts = DATE_FORMATTER_CACHE.get(format);
+  const cacheKey = format;
+  let parts = DATE_FORMATTER_CACHE.get(cacheKey);
 
   if (!parts) {
     parts = [];
@@ -205,7 +206,7 @@ function dateFormatter(format: string, date: Date, locale: string): string {
       }
     }
 
-    DATE_FORMATTER_CACHE.set(format, parts);
+    DATE_FORMATTER_CACHE.set(cacheKey, parts);
   }
 
   return parts.reduce((text, part) => {