[libcxx-commits] [libcxx] [libc++] Fix bitset conversion functions and refactor constructor (PR #121348)

[Louis Dionne via libcxx-commits]

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@@ -507,8 +516,11 @@ inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset() _NOEXCEPT : __first_(0)
 
 template <size_t _Size>
 inline _LIBCPP_CONSTEXPR __bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
-    : __first_(_Size == __bits_per_word ? static_cast<__storage_type>(__v)
-                                        : static_cast<__storage_type>(__v) & ((__storage_type(1) << _Size) - 1)) {}
+    // TODO: We must refer to __bits_per_word in order to work around an issue with the GDB pretty-printers.
+    //       Without it, the pretty-printers complain about a missing __bits_per_word member. This needs to
+    //       be investigated further.
+    // See: https://github.com/llvm/llvm-project/actions/runs/15071518915/job/42368867929?pr=121348#logs
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ldionne wrote:

```suggestion
```

CI logs don't live forever.

https://github.com/llvm/llvm-project/pull/121348