[Bug other/63395] Cygwin vs Cygwin64 Floating Point Discrepancy

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63395

--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
You can also try -fexcess-precision=standard on Cygwin, -mpc64 might not be
implemented there.