http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49533
--- Comment #3 from Jan Hubicka <hubicka at ucw dot cz> 2011-06-27 10:53:14 UTC --- > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49533 > > --- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de> > 2011-06-27 10:25:13 UTC --- > (In reply to comment #1) > > The patch you quote has the effect of disabling pure const discovery for > > functions calling functions with an aliases defined. It is quite surprising > > that this does make a difference, but I still think this is most likely > > effect > > of PR47247. > > > > The COMDAT problem causes inline functions with address taken to not be > > optimized when their address is taken and indirect call profiling takes > > address > > of all virtuals. > > > > Carry made an gold update that will hopefully hit the CVS binutils soonish > > and > > I will update then the GCC side. Until that happens, I would advice using > > -fprofile-generate -fno-lto (i.e. LTO is not needed for the instrumented > > compiler). > > Note that this happens with "-fprofile-generate" only (no lto involved). Hmm, sorry then it is different issue. I take a look. Honza
