#include <metal_stdlib>

using namespace metal;
int func(int value, thread int* const pointer) {
  return as_type<int>((as_type<uint>(value) + as_type<uint>(*(pointer))));
}

kernel void tint_symbol() {
  int i = 123;
  int const r = func(i, &(i));
  return;
}

