extern int fun(void);
extern int arr[];
extern int var;

int test_address(int arg, int ptr[])
{

        if (fun())      return -1;
        if (var)        return -1;
        if (arg)        return -1;
        if (ptr)        return -1;

lab:
        if (arr)        return 1;
        if (&arr)       return 1;
        if (fun)        return 1;
        if (&fun)       return 1;
        if (*fun)       return 1;
        if (&var)       return 1;
        if (&arg)       return 1;
        if (&&lab)      return 1;

        return -1;
}

int test_address_not(int arg, int ptr[])
{

        if (!fun())     return -1;
        if (!var)       return -1;
        if (!arg)       return -1;
        if (!ptr)       return -1;

lab:
        if (!arr)       return 0;
        if (!&arr)      return 0;
        if (!fun)       return 0;
        if (!&fun)      return 0;
        if (!*fun)      return 0;
        if (!&var)      return 0;
        if (!&arg)      return 0;
        if (!&&lab)     return 0;

        return -1;
}

int test_address_cmp(int arg, int ptr[])
{
        if (fun() == 0) return -1;
        if (0 == fun()) return -1;
        if (var == 0)   return -1;
        if (0 == var)   return -1;
        if (arg == 0)   return -1;
        if (0 == arg)   return -1;
        if (ptr == 0)   return -1;
        if (0 == ptr)   return -1;

lab:
        if (arr == 0)   return 0;
        if (0 == arr)   return 0;
        if (&arr == 0)  return 0;
        if (0 == &arr)  return 0;
        if (fun == 0)   return 0;
        if (0 == fun)   return 0;
        if (&fun == 0)  return 0;
        if (0 == &fun)  return 0;
        if (*fun == 0)  return 0;
        if (0 == *fun)  return 0;
        if (&var == 0)  return 0;
        if (0 == &var)  return 0;
        if (&arg == 0)  return 0;
        if (0 == &arg)  return 0;
        if (&&lab == 0) return 0;
        if (0 == &&lab) return 0;

        return -1;
}

/*
 * check-name: Waddress
 * check-command: sparse -Wno-decl -Wno-non-pointer-null -Waddress $file
 * check-known-to-fail
 *
 * check-error-start
Waddress.c:14:13: warning: the address of an array will always evaluate as true
Waddress.c:15:14: warning: the address of an array will always evaluate as true
Waddress.c:16:13: warning: the address of a function will always evaluate as true
Waddress.c:17:14: warning: the address of a function will always evaluate as true
Waddress.c:18:13: warning: the address of a variable will always evaluate as true
Waddress.c:19:13: warning: the address of a variable will always evaluate as true
Waddress.c:20:13: warning: the address of a label will always evaluate as true
Waddress.c:34:13: warning: the address of an array will always evaluate as true
Waddress.c:35:13: warning: the address of an array will always evaluate as true
Waddress.c:36:13: warning: the address of a function will always evaluate as true
Waddress.c:37:13: warning: the address of a function will always evaluate as true
Waddress.c:38:13: warning: the address of a variable will always evaluate as true
Waddress.c:39:13: warning: the address of a variable will always evaluate as true
Waddress.c:40:13: warning: the address of a label will always evaluate as true
Waddress.c:57:13: warning: the address of an array will always evaluate as true
Waddress.c:58:13: warning: the address of an array will always evaluate as true
Waddress.c:59:13: warning: the address of an array will always evaluate as true
Waddress.c:60:13: warning: the address of an array will always evaluate as true
Waddress.c:61:13: warning: the address of a function will always evaluate as true
Waddress.c:62:13: warning: the address of a function will always evaluate as true
Waddress.c:63:13: warning: the address of a function will always evaluate as true
Waddress.c:64:13: warning: the address of a function will always evaluate as true
Waddress.c:65:13: warning: the address of a variable will always evaluate as true
Waddress.c:66:13: warning: the address of a variable will always evaluate as true
Waddress.c:67:13: warning: the address of a variable will always evaluate as true
Waddress.c:68:13: warning: the address of a variable will always evaluate as true
Waddress.c:69:13: warning: the address of a label will always evaluate as true
Waddress.c:70:13: warning: the address of a label will always evaluate as true
 * check-error-end
 */