If calls clearFocus() in QLineEdit's textEdited or textChanged slot what is signaled by input Japanese like 'あ', signal is emitted recursively then causes stack overflow.

void MainWindow::slot_TextEdited ( QString _q_str_Text )
{
    if( q_lineedit_Edit->hasFocus() )
        q_lineedit_Edit->clearFocus();

It doesn't cause if input English, also not reproduce on Windows.

Please check attached sample on Linux environment. (It needs to install Japanese IM for reproducing)