[Bug libfortran/78314] [aarch64] ieee_support_halting does not report unsupported fpu traps correctly

[sje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78314

--- Comment #24 from Steve Ellcey <sje at gcc dot gnu.org> ---
See email strings at:

https://gcc.gnu.org/ml/fortran/2019-01/msg00276.html
https://gcc.gnu.org/ml/fortran/2019-02/msg00057.html

For more discussion.