ref: 1b51b30c2d7d831f8e8ef83b254fe6cd2052ff89
dir: /tests/cc/execute/0005-ifstmt.c/
int
main()
{
	int x;
	int *p;
	int **pp;
	x = 0;
	p = &x;
	pp = &p;
	if(*p)
		return 1;
	if(**pp)
		return 1;
	else
		**pp = 1;
	if(x)
		return 0;
	else
		return 1;
}