typedef struct two two;
struct one {
	two *x;
};
struct two {
	one *x;
};

// issue 8811

extern int issue8811Initialized;
extern void issue8811Init();

void issue8811Execute() {
	if(!issue8811Initialized)
		issue8811Init();
}

// issue 8945

typedef void (*PFunc8945)();
PFunc8945 func8945;

// issue 9557

struct issue9557_t {
  int a;