https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88750
--- Comment #32 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Jürgen Reuter from comment #31) > Then I get tons of duplicate symbol lines. ah well, not so simple then, then I think the next step is for you to identify the last working revision of the compiler - we can then analyse what the change was that caused the difference and determine if that's a real regression or just exposing a build system issue.