Windows/native file dialog: If no filters are passed to QFileDialog::getSaveFileName(), it shows an empty filter

#include <QApplication>
#include <QFileDialog>

int main(int argc, char **argv)
{
    QApplication app(argc, argv);
    QFileDialog::getSaveFileName();
    return 0;
}

--- a/src/plugins/platforms/windows/qwindowsdialoghelpers.cpp
+++ b/src/plugins/platforms/windows/qwindowsdialoghelpers.cpp
@@ -1646,6 +1646,8 @@ QWindowsNativeDialogBase *QWindowsFileDialogHelper::createNativeDialog()
     const QStringList nameFilters = opts->nameFilters();
     if (!nameFilters.isEmpty())
         result->setNameFilters(nameFilters);
+    else
+        result->setNameFilters(QStringList() << QLatin1String("All Files (*.*)"));
     if (opts->isLabelExplicitlySet(QFileDialogOptions::FileName))
         result->setLabelText(QFileDialogOptions::FileName, opts->labelText(QFileDialogOptions::FileName));
     if (opts->isLabelExplicitlySet(QFileDialogOptions::Accept))