message: Fix GCC warning here
diff: @@ -139,7 +139,7 @@ int main(int argc, char **argv) {
  int benchmark_index = -1;
  bool info = false;
  - for (size_t i = 1; i < argc; i++) {
  + for (int i = 1; i < argc; i++) {
  string arg = argv[i];
  if (arg == "--list") {
  // list names of all benchmarks
  