[libcxx-commits] [libcxx] [libc++] Recognize _BitInt(N) as signed/unsigned integer type (PR #185027)

[Nikolas Klauser via libcxx-commits]

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philnik777 wrote:

```suggestion
#if TEST_HAS_EXTENSION(bit_int)
```
Throughout.

https://github.com/llvm/llvm-project/pull/185027