[Bug tree-optimization/54669] [4.8 regression] verify_flow_info failure after loop unrolling with -fnon-call-exceptions

[polacek at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54669

--- Comment #5 from Marek Polacek <polacek at redhat dot com> 2012-09-22 20:03:59 UTC ---
It happens in cunrolli pass.  It might be propagate_constants_for_unrolling. 
It seems we eventually end up removing BB 9 and 11, which might be wrong.