[Bug tree-optimization/102738] Failure to optimize (signed) right shift if the range is already known to be [-1, 0]

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102738

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Failure to optimize right   |Failure to optimize
                   |shift of 32-bit int after   |(signed) right shift if the
                   |it's already been shifted   |range is already known to
                   |by 31                       |be [-1, 0]
           Severity|normal                      |enhancement