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

[vries at gcc dot gnu.org]

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

--- Comment #8 from vries at gcc dot gnu.org ---
(In reply to iverbin from comment #7)
> I believe we should drop support of offloading without linker plugin.

Same failures occur with -fuse-linker-plugin though.