[Bug tree-optimization/47271] [4.6 Regression] if-conversion removes a test (if), the function generates invalid outputs

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47271

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-24 
20:04:08 UTC ---
Can't loop->header have more than 2 predecessors without causing any problems?
Other than that it might work fine.