[libcxx-commits] [libcxx] [libc++] Make std::filesystem::canonical throw when given empty path (PR #77223)

[Mark de Wever via libcxx-commits]

mordante wrote:

I finally landed the patch that makes it easier to disable the Apple tests.

Can you rebase this patch and add the following to the patches that fail on the Apple CI?

```
// add a description why the test is disabled.
// UNSUPPORTED: using-built-library-before-llvm-19
```

https://github.com/llvm/llvm-project/pull/77223