Auto merge of #140790 - quininer:mac-xray, r=wesleywiser,jieyouxu

Enable xray support for Mac

rust-lang/rust#102921

Upstream has supported Mac for a while, let's enable it.

I've tested it on M4 and it generates nop sled correctly.

* https://maskray.me/blog/2023-06-18-port-llvm-xray-to-apple-systems
* https://github.com/llvm/llvm-project/blob/llvmorg-20.1.4/clang/lib/Driver/XRayArgs.cpp#L31

try-job: x86_64-apple-1
try-job: aarch64-apple

Author: bors