[Mlir-commits] [llvm] [mlir] [compiler-rt] [clang] [openmp] [libcxx] [libcxxabi] [lld] [runtimes] Use LLVM libunwind from libc++abi by default (PR #77687)

[Louis Dionne]

ldionne wrote:

@vitalybuka This seems to have broken the ASAN and HWASAN builds here:
https://lab.llvm.org/buildbot/#/builders/236/builds/8629/steps/8/logs/stdio
https://lab.llvm.org/buildbot/#/builders/168/builds/17965/steps/8/logs/stdio

My understanding is that we'd now need to either explicitly say `LIBCXXABI_USE_LLVM_UNWINDER=OFF` or we'd need to change to `-DLLVM_ENABLE_RUNTIMES='libcxx;libcxxabi;libunwind'` [here in `buildbot_functions.sh`](https://github.com/llvm/llvm-zorg/blob/main/zorg/buildbot/builders/sanitizers/buildbot_functions.sh#L263).


https://github.com/llvm/llvm-project/pull/77687