typedef thing = ();

var int a;
var int a; // ERROR duplicate
int a_const = 0;
int a_const = 1; // ERROR duplicate

/* ERRORS */
int;
int while;
int 0;
int while =;
int i =;
var int a = b;
int thing;
int thing =;
int thing = ();
int thing = a;
enum({x, y) c; }

// try to use these corrupt variables
int x1 = a_const;
int x2 = b; // ERROR b is not defined

() func() {
    /* ERRORS */
    a = b;
    b = a;
}

int j, l; // ERROR should be "int j k;"
() func2() {
    int i, j; // ERROR
}