https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124819

--- Comment #16 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
(In reply to Christopher Albert from comment #15)
> Created attachment 64204 [details]
> alternative patch: shift bessel_6 evaluation point away from the zero
> 
> Alternative patch: instead of increasing the tolerance, this shifts the
> bessel_6 evaluation point away from the near-zero cancellation region while
> keeping the existing tolerance.

I was experimenting with this myself. The value 475.0 is too far and fails.
Your 475.5 must be a sweet spot. It works here.

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