-fstrict-aliasing fixes 6/6: permit inlining of comdats

[Jan Hubicka]

> > 
> > Well, not exactly of the case mentioned above, but still think that this is
> > safe (ugly, too). An alternative is to keep around the bodies until after
> > inlining.  I have infrastructure for that in my tree, but it is hard to tune to
> > do: first the alternative function body may have different symbol references
> > (as a result of different early inlinin) which may not be resolved in current
> > binary so we can not use it at all. Second keepin many alternatives of every
> > body around makes code size estimates in inliner go crazy.
> 
> /me inserts his usual "partitioning to the rescue" comment...
> 
> ;)

Hmm, OK. I fail to see how that would save the day here :)  It is not a problem about
the fact that we can not switch flags according the function but about the linking
that happens prior partitioning.

Honza
> 
> Richard.