------- Comment #4 from rguenth at gcc dot gnu dot org 2010-03-15 14:27 ------- (In reply to comment #3) > (In reply to comment #2) > > > > The trivial fix would be to compute post-dominator info and check if the > > edge with the uninitialized use is executed on all paths from function > > entry to exit (its source and destination post-dominate the entry bb). > > You want to do that at -O0?
Not really. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43361