https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69107
vries at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |6.0 Summary|def does not dominate use |[6 Regression] def does not |ICE with -O2 |dominate use ICE with -O2 |-ftree-paralellize-loops=2 |-ftree-paralellize-loops=2 --- Comment #2 from vries at gcc dot gnu.org --- In transform_to_exit_first_loop_alt, so a 6 regression.