[Bug tree-optimization/18031] OR of a bitfield and a constant is not optimized at tree level

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-06-24 
20:16 -------
I think this is now fixed on the mainline at the RTL level:
ior:
        movl    4(%esp), %eax
        orb     $1, (%eax)
        ret



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18031