Fix out-of-bounds access

Author: jamxia155

cpp/bench/ann/src/common/benchmark.hpp

@@ -381,7 +381,8 @@ void bench_search(::benchmark::State& state,
       auto recall_calculation = [&](int start, int end, int tid) -> void {
         for (int i = start; i < end; ++i) {
           size_t i_orig_idx = batch_offset + i;
-          size_t i_out_idx  = out_offset + i;
+          if (i_orig_idx >= gt_maps.size()) { break; }
+          size_t i_out_idx = out_offset + i;
           if (i_out_idx < rows) {
             local_total_count[tid] += filter_pass_counts[i_orig_idx];