PVS-Studio warning V519 for VirtualBox

static bool supR3HardenedWinVerifyCacheIsMatch(....)
{
  ....
  wcLeft = wcLeft  != '/' ? RT_C_TO_LOWER(wcLeft)  : '\\';
  wcLeft = wcRight != '/' ? RT_C_TO_LOWER(wcRight) : '\\';  //<==
  if (wcLeft != wcRight)
    return false;
  ....
}

This suspicious code was found in VirtualBox project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'wcLeft' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 472, 473. supr3hardenedmain-win.cpp 473

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/