Small performance improvements suggested by clang-tidy

mostly add const &, a few std::move and in particular case, remove const
so the std::move being done over the variable actually has effect

Change-Id: Id611cd31bc012f219d7a17d4626b1c2a5fbddd66
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/qml/qml/qqmltypeloaderqmldircontent.cpp b/src/qml/qml/qqmltypeloaderqmldircontent.cpp
index 238af9b710..8e983db756 100644
--- a/src/qml/qml/qqmltypeloaderqmldircontent.cpp
+++ b/src/qml/qml/qqmltypeloaderqmldircontent.cpp
@@ -55,7 +55,8 @@ QList<QQmlError> QQmlTypeLoaderQmldirContent::errors(const QString &uri) const
 {
     QList<QQmlError> errors;
     const QUrl url(uri);
-    for (const auto parseError : m_parser.errors(uri)) {
+    const auto parseErrors = m_parser.errors(uri);
+    for (const auto &parseError : parseErrors) {
         QQmlError error;
         error.setUrl(url);
         error.setLine(parseError.line);