[libcxx-commits] [libcxx] [libc++] Resolve LWG4370 (PR #174062)

[A. Jiang via libcxx-commits]

================
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// REQUIRES: std-at-least-c++17
+// <optional>
+
+// Verify that example provided for LWG4370 compiles.
----------------
frederick-vs-ja wrote:

I want the comment to be a bit more detailed.
```suggestion
// Verify that comparison operators of `optional` accept underlying return types convertible both from and to `bool`
// as required by LWG4370.
```

https://github.com/llvm/llvm-project/pull/174062