message: [XLA] Fix comment on asinh implementation.
diff: @@ -574,9 +574,9 @@ XlaOp Acosh(XlaOp x) {
  // If x^2 will overflow and x is positive, we can approximate x + sqrt(x^2 + 1)
  // as 2*x and return log(2) + log(x).
  //
  -// If x is negative, the above would give us some trouble, because we'd need to
  -// approximate x + sqrt(sqrt(x^2 + 1) - abs(x). But we're saved
  -// by the fact that asinh(-x) = -asinh(x).
  +// If x is negative, the above would give us some trouble; we can't approximate
  +// the result as x + abs(x) = 0! But we're saved by the fact that asinh(-x) =
  +// -asinh(x).
  XlaOp Asinh(XlaOp x) {
  XlaBuilder* b = x.builder();
  auto do_it = [&](XlaOp x) -> StatusOr<XlaOp> {
  