[Bug fortran/88678] [9 regression] Many gfortran.dg/ieee/ieee_X.f90 test cases fail starting with r267465

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88678

--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> ---
Can someone please test the patch in Comment #9 on powerpc? It should fix all
failures, modulo ieee_10.f90 which is fixed by [1].

[1] https://gcc.gnu.org/ml/gcc-patches/2019-01/msg01685.html