#include <metal_stdlib>

using namespace metal;
struct tint_private_vars_struct {
  int a;
};

fragment void f() {
  thread tint_private_vars_struct tint_private_vars = {};
  tint_private_vars.a = 1;
  int const b = tint_private_vars.a;
  return;
}

