message: replace by Log1p
diff: @@ -341,7 +341,8 @@ XlaOp ErfInv(XlaOp x) {
  0.00943887047f, 1.00167406f, 2.83297682f};
  auto one = ScalarLike(x, 1.0);
  - auto w = -Log((one - x) * (one + x));
  + auto w = -Log1p(one - x * x);
  + //auto w = -Log((one - x) * (one + x));
  auto lt = Lt(w, ScalarLike(x, 5.0));
  auto coefficient = [&](int i) {
  