#include <metal_stdlib>

using namespace metal;
void c(int z) {
  int a = as_type<int>((as_type<uint>(1) + as_type<uint>(z)));
  a = as_type<int>((as_type<uint>(a) + as_type<uint>(2)));
}

void b() {
  c(2);
  c(3);
}

