From a6f803cde6c1676a079f29a2581e3e704d47b2f1 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Wed, 9 Sep 2020 03:49:27 +0200
Subject: [PATCH] Prefer appending vector to a vector with += rather than a
 custom implementation

QVector has ad-hoc code to do so.
---
 scene.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/scene.cpp b/scene.cpp
index 80c687a2df..3b25503e34 100644
--- a/scene.cpp
+++ b/scene.cpp
@@ -1062,9 +1062,7 @@ WindowQuadList Scene::Window::makeContentsQuads() const
 
         // Push the child window pixmaps onto the stack, remember we're visiting the pixmaps
         // in the depth-first search manner.
-        const auto children = windowPixmap->children();
-        for (WindowPixmap *child : children)
-            stack.push(child);
+        stack += windowPixmap->children();
     }
 
     return quads;