[Bug fortran/91473] [10 regression] test case libgomp.fortran/appendix-a/a.28.5.f90 fails starting with r274551

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91473

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
It looks like -std=legacy is needed for wrf.