[Bug c/17865] Bad code generation (using -O2 and -O3) on x86 target when using the listed snippet

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-10-06 18:34 -------
Yes but -O2 enables -fstrict-aliasing which means follow the ANSI/ISO C
aliasing rules which you/the program is violating.
Use either -fno-strict-aliasing or an union which GCC defines (unlike the ANSI/
ISO C standard where it is undefined too).

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17865