Create `BM_GroupPortable_Match`.

PiperOrigin-RevId: 612201313
Change-Id: Ia9e7f146f5e1ecaffcb15de694049b716db38d02

absl/container/internal/raw_hash_set_benchmark.cc

@@ -457,6 +457,19 @@ void BM_Group_Match(benchmark::State& state) {
 }
 }
 BENCHMARK(BM_Group_Match);
 BENCHMARK(BM_Group_Match);
 
 
+void BM_GroupPortable_Match(benchmark::State& state) {
+  std::array<ctrl_t, GroupPortableImpl::kWidth> group;
+  Iota(group.begin(), group.end(), -4);
+  GroupPortableImpl g{group.data()};
+  h2_t h = 1;
+  for (auto _ : state) {
+    ::benchmark::DoNotOptimize(h);
+    ::benchmark::DoNotOptimize(g);
+    ::benchmark::DoNotOptimize(g.Match(h));
+  }
+}
+BENCHMARK(BM_GroupPortable_Match);
+
 void BM_Group_MaskEmpty(benchmark::State& state) {
 void BM_Group_MaskEmpty(benchmark::State& state) {
   std::array<ctrl_t, Group::kWidth> group;
   std::array<ctrl_t, Group::kWidth> group;
   Iota(group.begin(), group.end(), -4);
   Iota(group.begin(), group.end(), -4);