[libcxx-commits] [libcxxabi] [libc++abi] Improve error message when libunwind is missing from LLVM_ENABLE_RUNTIMES (PR #77991)

[Vitaly Buka via libcxx-commits]

vitalybuka wrote:

I guess they needs `LIBCXXABI_USE_LLVM_UNWINDER is set to ON, but libuwnind is not specified in`

I think patches like this needs to be landed like:
land -> revert -> fix broken bots-> start again

This brakeage is too early. Leaving bots broken for a long time will likely hide other regression, which make hard for bot maintainers to pinpoint the cause.


https://github.com/llvm/llvm-project/pull/77991