[libcxx-commits] [libcxx] [libc++] Implement P2538R1 "ADL-proof std::projected" (PR #65411)

[via libcxx-commits]

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@@ -80,3 +80,11 @@ struct BadPredicate6 {
     bool operator()(std::iter_common_reference_t<It1>, std::iter_common_reference_t<It2>) const = delete;
 };
 static_assert(!std::indirect_binary_predicate<BadPredicate6, It1, It2>);
+
+// Test ADL-proofing (P2538R1)
+#if TEST_STD_VER >= 26
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EricWF wrote:

This very much feels like a defect report. I would rather we test the behavior in all dialects where we provide the behavior.

https://github.com/llvm/llvm-project/pull/65411