ref: 2a61dfcd596b6da4d31379663a20e4fe0566cc17
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;
}