[libcxx-commits] [libcxx] [libc++] Avoid string reallocation in `std::filesystem::path::lexically_relative` (PR #152964)

[Nikolas Klauser via libcxx-commits]

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@@ -171,4 +171,25 @@ BENCHMARK_CAPTURE(BM_LexicallyNormal, large_path, getRandomPaths, /*PathLen*/ 32
     ->Range(2, 256)
     ->Complexity();
 
+template <class GenInput>
+void BM_LexicallyRelative(benchmark::State& st, GenInput gen, size_t PathLen) {
+  using fs::path;
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philnik777 wrote:

Is this even used?

https://github.com/llvm/llvm-project/pull/152964