[Bug bootstrap/56593] LTO profiledbootstrap fails for Ada

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56593

Steven Bosscher <steven at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |steven at gcc dot gnu.org

--- Comment #5 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-12 17:19:56 UTC ---
(In reply to comment #4)
> > Is there any advantage in putting nested functions in different
> > partition from the parent function?  I'd say LTO just should try
> > hard to make to put them into the same partition.
> 
> That would be an arbitrary restriction though.  This works fine,
> except that -g currently breaks, but (1) it doesn't really work
> with LTO in any case and (2) nested functions don't really work
> with -g at high optimization level either.

What "it" do you mean at (1)?

Putting nested functions in the same partition as the parent is not
really arbitrary.  Nested functions have a limited scope, and AFAIU
are only accessible from the parent function.  There can't be much
for IPA to do with nested functions in another partition.