[Bug tree-optimization/46403] inefficient PRE bloat code size

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46403

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-11-10 
17:53:41 UTC ---
I think what you are seeing is tail duplication happening.