[Bug optimization/14319] [tree-ssa] incorrect optimization of union of structs with common initial sequences

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |optimization
            Summary|incorrect optimization of   |[tree-ssa] incorrect
                   |union of structs with common|optimization of union of
                   |initial sequences           |structs with common initial
                   |                            |sequences
   Target Milestone|---                         |tree-ssa


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14319