[Bug 244102] r357959/lib/clang/libllvmminimal fails buildworld with cc1plus: error: unrecognized command line option "-std=c++11"

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Newsgroups gmane.os.freebsd.devel.ppc
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244102

--- Comment #3 from Mark Millard <[email protected]> ---
(In reply to Mark Millard from comment #2)

Head -r358094 checked in a fix for head -r357549 breaking booting
on (some?) powerpc machines, such as PowerMac G5 dual-socket ones.

However, the earlier -r357948 checked in a correction to how time
is handled (that is involved in sleeps and such):

QUOTE
Consolidate read code for timecounters and fix possible overflow in
 bintime()/binuptime().
END QUOTE

The "overflow" part of this makes having bad TB value relationships
across sockets/cores much more obvious of a problem: longer times
now result from the bad combinations and far more frequently. See:

https://lists.freebsd.org/pipermail/freebsd-ppc/2020-February/011523.html

So updating is still problematical, not just via a live source upgrade.

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