/*
* Copyright (c) 2014 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
 */

int main1 (int y) {
    
    static int s = 3;
    int x =7;
   
    int add1, add2;
    int (^addblock)(int a, int b);
    

    addblock=^(int c,int d){

        int (^addblock2)(int a);
        int add2;
        int bla =3;

        addblock2=^(int z){
            return z+s+x+bla;
        };

        add2 = addblock2(1);
        return c+add2+bla;
    };
    
    add1 = addblock(1,2);

 
    addblock=^(int e,int f){
        return e-s;
    };
     

    add2 = addblock(3,2);
    
    // Here we should get a division by zero
    y=add1/add2;
   
    return y;
}


int main () {
    return main1(4);
}