[libcxx-commits] [libcxx] [libc++] Guard container benchmarks on library availability (PR #215408)

[Nikolas Klauser via libcxx-commits]

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@@ -398,26 +399,26 @@ void sequence_container_benchmarks(std::string container) {
         }
       });
 
-#if TEST_STD_VER >= 23
-    for (auto gen : generators)
-      bench("append_range() (into empty container)" + tostr(gen), [gen](auto& state) {
-        auto const size = state.range(0);
-        std::vector<ValueType> in;
-        std::generate_n(std::back_inserter(in), size, gen);
-        DoNotOptimizeData(in);
+    if constexpr (has_append_range) {
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philnik777 wrote:

I think I'd rather guard consistently. We didn't modify (at least `vector::append_range`) at all in that time, so I don't think there is much value.

https://github.com/llvm/llvm-project/pull/215408