[Bug optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[pinskia at gcc dot gnu dot org]

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348