[libcxx-commits] [libcxx] [libc++] fixing missing forward declarations of uses_allocator_construction_args (PR #67044)

[via libcxx-commits]

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@@ -121,6 +121,29 @@ constexpr void testOne() {
     assert(std::get<2>(std::get<1>(ret)) == 3);
     assert(std::get<0>(std::get<2>(ret)) == 4);
   }
+  {
+    // See https://github.com/llvm/llvm-project/issues/66714
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philnik777 wrote:

Could you add a short description instead of just a link to the bug report?

https://github.com/llvm/llvm-project/pull/67044