[Bug libgomp/69607] undefined reference to MAIN__._omp_fn.0 in atomic_capture-1.f with -flto

[iverbin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69607

--- Comment #7 from iverbin at gcc dot gnu.org ---
I believe we should drop support of offloading without linker plugin.