a14659a2c8
https://github.com/llvm/llvm-project/pull/144913 was reverted because some of the Darwin tests were failing on SDKs prior to `15.0`. Only the x86 bots run on macOS `14.0`. The aarch64 ones run on macOS `15.0`. In this patch, we deactivate the failing Darwin tests on older SDKs (prior to `15.0`).