PR c/43288 (ICE with __attribute__ ((common)))

[Jan Hubicka]

> 
> I think I have a var decl that is weak and common because that is
> how HPPA is doing comdats in SOM.   Dave can correct me if I have
> that wrong.

It seems to me that it is most probably because of C++ FE insisting on
ononsential DECL_COMMON (in comdat_linkage) and the fact that we somehow call
make_decl_rtl too early.

I just built cross compiler for both AIX and HPUX but can not reproduce the
problem.  Was is fixed somehow in meantime?

Honza