[Bug libgomp/64672] ICEs in libgomp.oacc-fortran when using the '-g -flto' options in the test suite.

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64672

--- Comment #14 from vries at gcc dot gnu.org ---
(In reply to rguenther@suse.de from comment #13)
> But I prever -fopenmp/-fopenacc as LTO
> options.
> 

What is the rationale for the preference ?

If we go with -fopenmp/-fopenacc as LTO options, we still have to address what
happens when combining different settings for -fopenmp/-fopenacc in lto. AFAIU,
we have to add handling them as 'union' options in lto-wrapper.c.