https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77394
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Component|c |target Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >The code compiles and runs correctly on other cpu's using the same cygwin 5.4.0 So the problem is your GMP/MPFR are compiled for one type of CPU and cannot be copied to other type.