PVS-Studio warning V501 for Skia

static bool fitsInBits(SkScalar x, int bits) {
#ifdef SK_SCALAR_IS_FIXED
  x = SkAbs32(x);
  x += 1 << 7;
  x >>= 8;
  return x < (1 << (bits - 1));
#else
  return SkScalarAbs(x) < (1 << (bits - 1));
#endif
}

SkXfermode* SkArithmeticMode::Create(SkScalar k1, SkScalar k2,
                                     SkScalar k3, SkScalar k4)
{
  if (fitsInBits(k1, 8) &&
      fitsInBits(k2, 16) &&
      fitsInBits(k2, 16) &&
      fitsInBits(k2, 24)) {
  ....
}

This suspicious code was found in Skia project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions 'fitsInBits(k2, 16)' to the left and to the right of the '&&' operator. SkArithmeticMode.cpp 211

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