ref: 4eb0595fdcfb5064a5f81b1ffe4fb2de4c6a3dd3
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;
}