Pastebin which is able to run your code. Accepts 40 languages.(ideone.com)

  #include <stdio.h>
  int evil(int y)
  {
      char *x = (char *) malloc(y);
      return(evil(y+1)-evil(y+2));
  }

  int main(int argc, char **argv)
  {
       int a = evil(1);
       return 0;
  }