[compiler-rt] CompilerRT: Normalize COMPILER_RT_DEFAULT_TARGET_TRIPLE (PR #88835)

[YunQiang Su via llvm-commits]

wzssyqa wrote:


> Maybe something in the install step also needs to be updated?
> 

Yes. It is hardcoded in `livcxx/utils/ci/run-buildbot`.

> Also it is a bit weird that this is adding a PER_TARGET_RUNTIME_DIR style folder path, in a build that doesn't enable that setting. But I don't have the full context so I'm not sure that's wrong necessarily.

See https://github.com/llvm/llvm-project/pull/87866
@MaskRay is working on to set `PER_TARGET_RUNTIME_DIR` as default.

https://github.com/llvm/llvm-project/pull/88835