replace some more copy/clear with swap

Change-Id: I6501dd59682d2605e9b9856c2deaa02a873ce641
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/88239
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 3 insertions, 5 deletions

diff --git a/chart2/source/controller/accessibility/AccessibleBase.cxx b/chart2/source/controller/accessibility/AccessibleBase.cxx
index 840f578aa17a..91040ee70671 100644
--- a/chart2/source/controller/accessibility/AccessibleBase.cxx
+++ b/chart2/source/controller/accessibility/AccessibleBase.cxx
@@ -374,11 +374,9 @@ void AccessibleBase::KillAllChildren()
 {
     ClearableMutexGuard aGuard( m_aMutex );
 
-    // make local copy for notification
-    ChildListVectorType aLocalChildList( m_aChildList );
-
-    // remove all children
-    m_aChildList.clear();
+    // make local copy for notification, and remove all children
+    ChildListVectorType aLocalChildList;
+    aLocalChildList.swap( m_aChildList );
     m_aChildOIDMap.clear();
 
     aGuard.clear();