[compiler-rt] [compiler-rt] intercept macOs's freadlink call. (PR #83679)

[via llvm-commits]

expcov wrote:

I got the code for the main branch on Sept 28th and the build is failing. I think it is not fixed properly as it seems to include the following commits.

```
a280275cff49 - [compiler-rt] Fix #83679 for macos sdk < 13.0 (#109946) (2024/09/25 18:11:02) <David CARLIER>
```

https://github.com/llvm/llvm-project/pull/83679