From 330b99f428bd8cfc8423fd307a1d65ad086d9392 Mon Sep 17 00:00:00 2001
From: p01 <p01@opera.com>
Date: Tue, 6 May 2014 16:45:49 +0200
Subject: [PATCH] Optimized stream.js / 9-10x faster DecodeStream_ensureBuffer

---
 src/core/stream.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/stream.js b/src/core/stream.js
index abd9e81ed..a7d5d3456 100644
--- a/src/core/stream.js
+++ b/src/core/stream.js
@@ -144,8 +144,8 @@ var DecodeStream = (function DecodeStreamClosure() {
         size *= 2;
       }
       var buffer2 = new Uint8Array(size);
-      for (var i = 0; i < current; ++i) {
-        buffer2[i] = buffer[i];
+      if (buffer) {
+        buffer2.set(buffer);
       }
       return (this.buffer = buffer2);
     },