File: bug0196.c

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/*run.config*
  STDOPT: #"-simplify-cfg" +"-print"
 */

int fact(int n) {
  int r = 1 ;
  while ( n > 0 ) {
    //@ assert n > 0 ;
  before:
    r *= n-- ;
    //@ assert r == \at(r*n,before) ;
  }
  return r ;
}

int main () { return fact(3); }