[libcxx-commits] [libcxx] [libcxx] Implement `std::constant_wrapper` (PR #191695)

[A. Jiang via libcxx-commits]

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@@ -614,7 +614,7 @@ template <class _Tp, size_t _Extent>
 #    if _LIBCPP_STD_VER >= 26
 template <class _Tp>
 concept __integral_constant_like =
-    is_integral_v<decltype(_Tp::value)> && !is_same_v<bool, remove_const_t<decltype(_Tp::value)>> &&
+    is_integral_v<remove_cvref_t<decltype(_Tp::value)>> && !is_same_v<bool, remove_const_t<decltype(_Tp::value)>> &&
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frederick-vs-ja wrote:

[LWG4486](https://cplusplus.github.io/LWG/issue4486) (#189849) is related. But perhaps it also makes sense to separate the concepts when implementing `basic_vec` ([[simd.ctor]](https://eel.is/c++draft/simd.ctor)).

https://github.com/llvm/llvm-project/pull/191695