[Bug 207359] head -r339076 TARGET_ARCH=powerpc64 via powerpc64-gcc : some or all c++ exceptions unbounded loop in _Unwind_RaiseException

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Tue Jul 9 01:28:27 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207359

--- Comment #17 from Mark Millard <marklmi26-fbsd at yahoo.com> ---
Head -r349793 picked up the last of the 8.0.1 rc3 changes
for dealing with  TOC (r2) save/restore for powerpc64.
So use of WITH_LLVM_LIBUNWIND= is able to avoid the known
issues with the old library.

8.0.1 has not been merged to stable/12 yet.

Despite a patch for the old library being available on the
list, various folks indicaeted that they would prefer to
switch-to and require LLMV's libunwind instead.

So, once merged, this submittal likely becomes Overcome
By Events for its status relative to powerpc64. (I'm
not yet as sure of the 32-bit powerpc context for analogous
unwind issues but it is likely going the same direction.)

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