[Bug middle-end/66872] fold a & ((1 << b) - 1) to a & ~(-1 << b)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66872

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |missed-optimization
                 CC|                            |pinskia at gcc dot gnu.org
           Severity|normal                      |enhancement