#include <metal_stdlib>

using namespace metal;
struct tint_private_vars_struct {
  bool tint_discarded;
};

bool call_discard(thread tint_private_vars_struct* const tint_private_vars) {
  (*(tint_private_vars)).tint_discarded = true;
  return true;
}

fragment void f() {
  thread tint_private_vars_struct tint_private_vars = {};
  tint_private_vars.tint_discarded = false;
  bool v = call_discard(&(tint_private_vars));
  bool also_unreachable = false;
  if (tint_private_vars.tint_discarded) {
    discard_fragment();
  }
  return;
}