PVS-Studio warning V547 for ReactOS

typedef enum _ARCTYPE
{
    GdiTypeArc,
    GdiTypeArcTo,
    GdiTypeChord,
    GdiTypePie,
} ARCTYPE, *PARCTYPE;

BOOL IntArc(....)
{
  ...
  if ((Left == Right) ||
      (Top == Bottom) ||
      (((arctype != GdiTypeArc) ||
        (arctype != GdiTypeArcTo)) &&
       ((Right - Left == 1) ||
       (Bottom - Top == 1))
      )
     )
      return TRUE;
  ...
}

Most likely this is what should be written here: (arctype != GdiTypeArc) && (arctype != GdiTypeArcTo)

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V547 Expression is always true. Probably the '&&' operator should be used here. win32k arc.c 67

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