3 files changed, 5 insertions, 5 deletions
diff --git a/src/gui/image/qimagereader.cpp b/src/gui/image/qimagereader.cpp
index 4cda7304ac..9052187426 100644
--- a/src/gui/image/qimagereader.cpp
+++ b/src/gui/image/qimagereader.cpp
@@ -605,7 +605,7 @@ void QImageReaderPrivate::getText()
 {
     if (!text.isEmpty() || (!handler && !initHandler()) || !handler->supportsOption(QImageIOHandler::Description))
         return;
-    foreach (QString pair, handler->option(QImageIOHandler::Description).toString().split(
+    foreach (const QString &pair, handler->option(QImageIOHandler::Description).toString().split(
                 QLatin1String("\n\n"))) {
         int index = pair.indexOf(QLatin1Char(':'));
         if (index >= 0 && pair.indexOf(QLatin1Char(' ')) < index) {
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 11dded8ef3..df1e1533fb 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -2981,7 +2981,7 @@ void QTextEngine::drawItemDecorationList(QPainter *painter, const ItemDecoration
     if (decorationList.isEmpty())
         return;
 
-    foreach (const ItemDecoration decoration, decorationList) {
+    foreach (const ItemDecoration &decoration, decorationList) {
         painter->setPen(decoration.pen);
         QLineF line(decoration.x1, decoration.y, decoration.x2, decoration.y);
         painter->drawLine(line);
diff --git a/src/gui/text/qzip.cpp b/src/gui/text/qzip.cpp
index d1bc94a822..b22b5fffda 100644
--- a/src/gui/text/qzip.cpp
+++ b/src/gui/text/qzip.cpp
@@ -1052,7 +1052,7 @@ bool QZipReader::extractAll(const QString &destinationDir) const
 
     // create directories first
     QList<FileInfo> allFiles = fileInfoList();
-    foreach (FileInfo fi, allFiles) {
+    foreach (const FileInfo &fi, allFiles) {
         const QString absPath = destinationDir + QDir::separator() + fi.filePath;
         if (fi.isDir) {
             if (!baseDir.mkpath(fi.filePath))
@@ -1063,7 +1063,7 @@ bool QZipReader::extractAll(const QString &destinationDir) const
     }
 
     // set up symlinks
-    foreach (FileInfo fi, allFiles) {
+    foreach (const FileInfo &fi, allFiles) {
         const QString absPath = destinationDir + QDir::separator() + fi.filePath;
         if (fi.isSymLink) {
             QString destination = QFile::decodeName(fileData(fi.filePath));
@@ -1081,7 +1081,7 @@ bool QZipReader::extractAll(const QString &destinationDir) const
         }
     }
 
-    foreach (FileInfo fi, allFiles) {
+    foreach (const FileInfo &fi, allFiles) {
         const QString absPath = destinationDir + QDir::separator() + fi.filePath;
         if (fi.isFile) {
             QFile f(absPath);