ref: 35433cdb45a12bbbfab1e960a51cf9089b338c05
dir: /tests/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;
}