[Bug libquadmath/65757] gfortran gives incorrect result for anint with real*16 argument

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65757

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I have actually started manual backporting of the 2012-2017
sysdeps/ieee754/ldbl-128/ differences, I'll attach what I have so far.