------- Comment #2 from pinskia at gcc dot gnu dot org 2005-11-27 16:05 ------- What happens if you do "-O2 -fno-strict-aliasing"? I almost want to say you are violating C aliasing rules. Also what warnings do you get with -O2 -W -Wall? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25118