PVS-Studio warning V517 for QT

bool QTextControlPrivate::cursorMoveKeyEvent(QKeyEvent *e)
{
  ...
  else if (e == QKeySequence::MoveToNextLine) {
    op = QTextCursor::Down;
  }
  else if (e == QKeySequence::MoveToPreviousLine) {  <<<---
    op = QTextCursor::Up;
  }
  else if (e == QKeySequence::MoveToPreviousLine) {  <<<---
    op = QTextCursor::Up;
  }
  else if (e == QKeySequence::MoveToStartOfLine) {
    op = QTextCursor::StartOfLine;
  ...
}

This suspicious code was found in QT project by PVS-Studio static code analyzer.
Warning message is:
V517 The use of 'if (A) {...} else if (A) {...}' pattern was detected. There is a probability of logical error presence. Check lines: 230, 233. QtGui qtextcontrol.cpp 230

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/