[libcxx-commits] [libcxx] [libc++] Opt `std::*set` out of map key extraction optimization (PR #220452)

[Nikolas Klauser via libcxx-commits]

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@@ -92,6 +93,16 @@ TEST_CONSTEXPR_CXX26 bool test() {
     assert(std::get<1>(res));
     assert(set.begin() == std::get<0>(res));
   }
+  if (!TEST_IS_CONSTANT_EVALUATED) {
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philnik777 wrote:

Why do we need to guard at all?

https://github.com/llvm/llvm-project/pull/220452