[Bug bootstrap/78188] [7 Regression] AIX Bootstrap broken by tree-vrp.c change

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78188

--- Comment #15 from David Edelsohn <dje at gcc dot gnu.org> ---
Another option is to force the COMDAT group to NULL in set_comdat_group() if
!HAVE_COMDAT_GROUP. That would allow the rest of the COMDAT functionality to
continue to work.  Does that make any sense to try?