Hi, the PR can probably be closed, since recent snapshots of 3.1 boot clean using 3.0.4 or 3.0 to init the bootstrap (I didn't check 3.0.[123] however). Greetings, Volker Reichelt http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5043