Prefer rvalue versions of toLower() and toUpper()

... to re-use existing buffers.

Change-Id: Ib2bc938f1cf0451c1dbc012b3db022b878e987cb
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gui/text/qcssparser.cpp b/src/gui/text/qcssparser.cpp
index a0438bd458..9670f24b1e 100644
--- a/src/gui/text/qcssparser.cpp
+++ b/src/gui/text/qcssparser.cpp
@@ -1822,7 +1822,7 @@ void StyleSheet::buildIndexes(Qt::CaseSensitivity nameCaseSensitivity)
                 nr.order = i;
                 QString name = sel.elementName;
                 if (nameCaseSensitivity == Qt::CaseInsensitive)
-                    name=name.toLower();
+                    name = std::move(name).toLower();
                 nameIndex.insert(name, nr);
             } else {
                 universalsSelectors += selector;
@@ -2027,7 +2027,7 @@ QVector<StyleRule> StyleSelector::styleRulesForNode(NodePtr node)
             for (int i = 0; i < names.count(); i++) {
                 QString name = names.at(i);
                 if (nameCaseSensitivity == Qt::CaseInsensitive)
-                    name = name.toLower();
+                    name = std::move(name).toLower();
                 QMultiHash<QString, StyleRule>::const_iterator it = styleSheet.nameIndex.constFind(name);
                 while (it != styleSheet.nameIndex.constEnd() && it.key() == name) {
                     matchRule(node, it.value(), styleSheet.origin, styleSheet.depth, &weightedRules);