[Bug tree-optimization/71084] [7 Regression] ICE in compute_dominance_frontiers_1 (cfganal.c:1302)

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71084

--- Comment #4 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
This is still CSE invalidating dominance info.  Calls to cleanup_cfg don't
affect cse_cfg_altered.  If I replace cfg_cleanup calls with

cse_cfg_altered |= cleanup_cfg (..)

then testcase passes.