[Bug tree-optimization/50272] A case that PRE optimization hurts performance

[vhaisman at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50272

--- Comment #4 from Václav Zeman <vhaisman at gmail dot com> 2012-03-29 17:51:51 UTC ---
This is still a problem in version 4.7.0 20120225.