[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 #2 from vries at gcc dot gnu.org ---
With:
- the tentative fix for PR69599
- the tentative fix for PR59627
- the undo of r232384 patch that caused PR69655 
this still reproduces. Apparently this is an independent issue.