https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68967
--- Comment #8 from vries at gcc dot gnu.org --- Managed an all-languages bootstrap and reg-test with --disable-multilib using this patch series, in combination with tentative patches for the first four of the following problems in order to be able to complete the build. Found and filed: - PR69039 [6 regression] segfault with ftree-parallelize-loops=2 - PR69058 segfault with ftree-parallelize-loops=2 in libgo/go/strconv/decimal.go - PR69062 invalid PHI argument error with ftree-parallelize-loops=2 - PR69069 missing phi argument with -ftree-parallelize-loops=2 - PR69107 def does not dominate use ICE with -O2 -ftree-paralellize-loops=2 - PR69108 ICE in gather_scalar_reductions with -ftree-parallelize-loops=2 - PR69109 missing phi argument ICE in transform_to_exit_first_loop_alt with -ftree-parallelize-loops=2 - PR69110 execution failure in gcc.c-torture/execute/doloop-2.c with -ftree-parallelize-loops=2