------- Comment #18 from rguenth at gcc dot gnu dot org 2010-01-27 19:51 ------- (In reply to comment #17) > (In reply to comment #16) > > No, it's an implementation detail. Uninitialized variable use tracking > > works with detecting uses of SSA name default definitions. Memory > > is not in SSA form so this mechanism does not work. > > > > Uninitialized memory detection is not done at all. > > > > Forgive me for I know not much of the GCC internals (I use GCC, I don't > develop > it), but are you saying that any use of address-of on a variable kicks it out > of contention for unused tracking? Even if it's not on a direct path (e.g., > not always executed)?
Yes, that's correct. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42884
