https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212
--- Comment #9 from pthaugen at gcc dot gnu.org --- The problem can be seen in the loop2_unroll dump: pthaugen@pike:~/temp/pr68212$ grep "Invalid sum of" simple.c.272r.loop2_unroll ;; Invalid sum of incoming counts 285685646 (estimated locally), should be 212627725 (estimated locally) ;; Invalid sum of incoming counts 32061393 (estimated locally), should be 105119324 (estimated locally)