[Bug gcov-profile/45272] comment about sqrt() implementation wrong: it is not from Carmack

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45272

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #3)
> Do you suggest using sreal, or something else?

MPFR? See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45273#c6 for the patch.