[Bug fortran/125914] -1.0**integer should be real(-1**integer)

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125914

--- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
... or we should just pick up the right builtin from the middle end.