[PATCH] mpn/generic/perfsqr: Improve alternate (currently disabled) test.

[David Sparks]

On Saturday, February 14th, 2026 at 18:10, David Sparks <sparks05 at proton.me> wrote:
> +      if (lo & 6 != 0)

This should have been "if ((lo & 6) != 0)", of course.
Sorry about that.