[Bug optimization/15241] [tree-ssa] Convert a <= 7 && b <= 7 into (a | b) <= 7.

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
  BugsThisDependsOn|                            |15357


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15241