From ee5311405459aba8d538c5ed1fb4578b9f2221c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20L=C3=BCbking?= <thomas.luebking@gmail.com>
Date: Tue, 8 May 2012 19:13:09 +0200
Subject: [PATCH] erase vector instead of clearing it to preserve the
 pre-allocated memory

CCBUG: 299594
REVIEW: 104897
---
 composite.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/composite.cpp b/composite.cpp
index 4dc38190a3..7e48066a50 100644
--- a/composite.cpp
+++ b/composite.cpp
@@ -655,7 +655,7 @@ void Toplevel::damageNotifyEvent(XDamageNotifyEvent* e)
 
     const float area = rect().width()*rect().height();
     damageRects.reserve(16);
-    damageRects.clear();
+    damageRects.erase(damageRects.begin(), damageRects.end());
     damageRects << QRect(e->area.x, e->area.y, e->area.width, e->area.height);
 
     // we can not easily say anything about the overall ratio since the new rects may intersect the present