#include <metal_stdlib>

using namespace metal;
bool call_discard(thread bool* const tint_symbol) {
  *(tint_symbol) = true;
  return true;
}

fragment void f() {
  thread bool tint_symbol_1 = false;
  bool v = call_discard(&(tint_symbol_1));
  bool also_unreachable = false;
  if (tint_symbol_1) {
    discard_fragment();
  }
  return;
}

