PVS-Studio warning V571 for UnrealEngine4

void FAudioDevice::RecurseIntoSoundClasses(....)
{
  ....
  if( ChildClass && Properties )
  {
    if (Properties)
    {
  ....
}

This suspicious code was found in UnrealEngine4 project by PVS-Studio static code analyzer.
Warning message is:
V571 Recurring check. The 'Properties' condition was already verified in line 941. audiodevice.cpp 943

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/