QMap - improve QMap stl-map ctor

We can insert directly on the most left-most Node.

We always enforce an insert here (unlike the insert call),
but that is not a problem since the keys in a std::map are unique.

Change-Id: Ib409b90ffc57a5a43dab4a4b08d34f6fdabd057f
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index e0b267ce20..d44a79473d 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -939,7 +939,7 @@ Q_OUTOFLINE_TEMPLATE QMap<Key, T>::QMap(const std::map<Key, T> &other)
     typename std::map<Key,T>::const_iterator it = other.end();
     while (it != other.begin()) {
         --it;
-        insert((*it).first, (*it).second);
+        d->createNode((*it).first, (*it).second, d->begin(), true); // insert on most left node.
     }
 }