gcc/testsuite/gcc.c-torture/execute/nestfunc-7.c

struct A
{
  int one;
  int two;
  int three;
  int four;
  int five;
  int six;
};

static int test (void)
{
  int base;

  struct A Foo (void)
    {
      struct A a;

      a.one = base + 1;
      a.two = base + 2;
      a.three = base + 3;
      a.four = base + 4;
      a.five = base + 5;
      a.six = base + 6;

      return a;
    }

  base = 10;
  struct A a = Foo ();

  return (a.one == 11
	  && a.two == 12
	  && a.three == 13
	  && a.four == 14
	  && a.five == 15
	  && a.six == 16);
}

int main (void)
{
  return !test ();
}