https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100049
--- Comment #7 from Christophe Lyon <clyon at gcc dot gnu.org> --- I'm told that -fno-sched-interblock helps
clyon at gcc dot gnu.org via Gcc-bugs Wed, 14 Apr 2021 01:13:19 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100049
--- Comment #7 from Christophe Lyon <clyon at gcc dot gnu.org> --- I'm told that -fno-sched-interblock helps