[libcxx-commits] [libcxx] [libc++] Implement LWG4072: std::optional comparisons: constrain harder (PR #209968)

[A. Jiang via libcxx-commits]

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@@ -349,6 +350,151 @@ struct ImplicitBool {
 
 constexpr ImplicitBool operator==(ImplicitBool::E1 lhs, ImplicitBool::E2 rhs) { return {lhs.x == rhs.y}; }
 
+ // LWG-4072 "std::optional comparisons: constrain harder"
+namespace lwg4072 {
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frederick-vs-ja wrote:

It seems that we don't need to add these here, and should split these into 6 test files in `libcxx/test/std/utilities/optional/optional.comp_with_t`.

https://github.com/llvm/llvm-project/pull/209968