http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55873
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |WONTFIX
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-04
11:46:06 UTC ---
It's conditionally uninitialized and thus only warned in late uninit pass.
This is a known issue of optimistic constant propagation.
Duplicate of PRxyz. Never going to be fixed.