[Bug tree-optimization/54742] Switch elimination in FSM loop

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54742

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-10-01 10:19:14 UTC ---
This is just (iterated) jump-threading I believe.