#include <metal_stdlib>

using namespace metal;
void some_loop_body() {
}

void f() {
  for(int i = 0; (i < 5); i = as_type<int>((as_type<uint>(i) + as_type<uint>(1)))) {
    some_loop_body();
  }
}

