------- Comment #3 from rguenth at gcc dot gnu dot org 2010-06-16 08:58 ------- you need to mark y and x volatile.
-- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44554