[libcxx-commits] [libcxx] [libc++] Make benchmarks forward-compatible with the test suite (PR #114502)

[Louis Dionne via libcxx-commits]

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@@ -181,7 +184,7 @@ struct IterateRangeFor : Base {
     while (State.KeepRunningBatch(TableSize * NumTables)) {
       for (auto& Set : Data.Sets) {
         for (auto& V : Set) {
-          benchmark::DoNotOptimize(V);
+          benchmark::DoNotOptimize(const_cast<std::set<uint64_t>::reference>(V));
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ldionne wrote:

Same here as above: `error: 'DoNotOptimize<unsigned long long>' is deprecated: The const-ref version of this method can permit undesired compiler optimizations in benchmarks [-Werror,-Wdeprecated-declarations]`

https://github.com/llvm/llvm-project/pull/114502