https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82209
--- Comment #7 from Jeffrey Walton <noloader at gmail dot com> --- (In reply to Eric Gallager from comment #6) > (In reply to Eric Gallager from comment #5) > > (In reply to Jeffrey Walton from comment #4) > > > This is kind of weird... When we tested with C++03 by adding -std=c++03, > > > we > > > got 4 more of them. The check-in of interest is > > > https://github.com/weidai11/cryptopp/commit/7097546cfcf742cf. > > > > > > Is there really no way to troubleshoot or diagnose this? I'd really like > > > to > > > know what the section name is that's causing the problem. > > > > Have you tried using gdb yet as I suggested in comment #3? > > With no backtrace and no testcase, I'm afraid there's nothing I can do to > reproduce this. Closing accordingly, but feel free to reopen if you have > more information. Thanks Eric. For completeness, I asked for an improved diagnostic (and not help with a particular problem). The diagnostic message needs help because it lacks useful information, like the offending section. I still don't know what the problem section is.