From 35a700d8bee368e2a190a12fd1b0d79357119aea Mon Sep 17 00:00:00 2001
From: Lars Knoll <lars.knoll@digia.com>
Date: Fri, 1 Mar 2013 15:02:46 +0100
Subject: [PATCH] Minor optimisation: Avoid some function calls

Change-Id: Ie30b95af01c6623262fbbd93f51c115262531fe8
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
---
 src/v4/qv4object.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/v4/qv4object.cpp b/src/v4/qv4object.cpp
index 3e675d3..33a3160 100644
--- a/src/v4/qv4object.cpp
+++ b/src/v4/qv4object.cpp
@@ -910,8 +910,10 @@ void Object::arrayReserve(uint n)
         }
         arrayAlloc = qMax(n, 2*arrayAlloc);
         PropertyDescriptor *newArrayData = new PropertyDescriptor[arrayAlloc];
-        memcpy(newArrayData, arrayData, sizeof(PropertyDescriptor)*arrayDataLen);
-        delete [] (arrayData - off);
+        if (arrayData) {
+            memcpy(newArrayData, arrayData, sizeof(PropertyDescriptor)*arrayDataLen);
+            delete [] (arrayData - off);
+        }
         arrayData = newArrayData;
         if (sparseArray) {
             for (uint i = arrayFreeList; i < arrayAlloc; ++i) {
-- 
2.7.4