[libcxx-commits] [libcxx] [libc++][concepts] P2404R3: Move-only types for equality_comparable_with, totally_ordered_with, and three_way_comparable_with (PR #99420)

[Louis Dionne via libcxx-commits]

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@@ -529,4 +529,30 @@ struct ForwardingTestObject {
   constexpr bool operator>=(const ForwardingTestObject&) const& { return false; }
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ldionne wrote:

Comment not attached to this line. I think we're missing an update to the `__cpp_lib_concepts` feature-test macro, the paper seems to mention something.

https://github.com/llvm/llvm-project/pull/99420