[libcxx-commits] [libcxx] [libc++] Always return bool from bitset::operator[](size_t) const (PR #169894)

[Louis Dionne via libcxx-commits]

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@@ -122,5 +122,9 @@ ABI Affecting Changes
 - ``ranges::iota_view`` is now aware of ``__int128``. This causes ``iota_view::difference_type`` to change from
   ``long long`` to ``__int128`` in some cases.
 
+- ``bitset::operator[]`` now returns ``bool``, making libc++ conforming. The behvaiour can be reverted by defining
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ldionne wrote:

```suggestion
- ``bitset::operator[]`` now returns ``bool``, making libc++ conforming. The behaviour can be reverted by defining
```

https://github.com/llvm/llvm-project/pull/169894