https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82111
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> --- Created attachment 42133 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42133&action=edit Dump from barriers
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82111
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> --- Created attachment 42133 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42133&action=edit Dump from barriers