[Bug tree-optimization/60903] [4.8/4.9/4.10 Regression] ICE: in verify_loop_structure, at cfgloop.c:1647: : edge from 13 to 14 should be marked irreducible

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60903

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
LIM is the culprit - it does CFG building but those don't properly update
BB/EDGE_IRREDUCIBLE_LOOP.