[Bug bootstrap/51572] [4.7 Regression] LTO bootstrap failed with bootstrap-profiled

["rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51572

--- Comment #15 from rguenther at suse dot de <rguenther at suse dot de> 2011-12-16 14:53:34 UTC ---
On Fri, 16 Dec 2011, markus at trippelsdorf dot de wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51572
> 
> --- Comment #14 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-12-16 14:51:03 UTC ---
> (In reply to comment #13)
> > On Fri, 16 Dec 2011, markus at trippelsdorf dot de wrote:
> > 
> > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51572
> > > 
> > > --- Comment #12 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-12-16 14:45:32 UTC ---
> > > (In reply to comment #11)
> > > > On Fri, 16 Dec 2011, markus at trippelsdorf dot de wrote:
> > > > 
> > > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51572
> > > > > 
> > > > > --- Comment #10 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-12-16 14:40:28 UTC ---
> > > > > Even with your patch (and also changing the similar occurrence
> > > > > a few lines below) and patch #1 from PR51573 libxul of Firefox
> > > > > still fails to build with the same ICE.
> > > > 
> > > > Which ICE?  The one from PR51572 or that from 51573?
> > > 
> > > This one from PR51572:
> > > ...
> > > At top level:
> > > lto1: internal compiler error: in dwarf2out_finish, at dwarf2out.c:22495
> > 
> > I'd be interested in a testcase ... ;)
> 
> Will try ;-).
> But libxul is a huge beast to reduce.

Thanks, meanwhile I found that g++.dg/debug/pr45660.C ICEs the same
way (after the patch for 51572).  So I'll look at that now.