[Bug rtl-optimization/50063] [4.6/4.7 Regression] DSE: wrong code for gcc.dg/torture/pta-ptrarith-3.c

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50063

--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-15 
11:05:08 UTC ---
(In reply to comment #6)
> (In reply to comment #5)
> > Sounds like some of the latent RTL alias issues we have with regarding to
> > find_base_value and friends (see some i?86 bugreport I fail to remember 
> > right
> > now).
> 
> You mean PR49330?

Yes.