[Bug 221029] AMD Ryzen: strange compilation failures using poudriere or plain buildkernel/buildworld

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221029

--- Comment #44 from Nils Beyer <nbe at renzel.net> ---
(In reply to Don Lewis from comment #43)

> Nope, my BIOS doesn't have a knob to disable the OPCache.

doesn't matter - my successful "ghc" build was just luck because I tried
another build of "ghc" by executing "cd /usr/ports/lang/ghc && make" in a
parallel console window; and I got that "bus error" again. So the arbitrariness
is still going on.

Back to square one that is (I hope that's the right wording).


> I just got another buildworld failure a little while ago after 26 successful iterations.  The same clang assertion failure, but with yet another source file:

you haven't gotten these clang assertion failures before, right? So, something
must have been changed on your side...

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