hang69.cpp

struct A { int m ; } ; struct B : A { int m ; } ; struct C : A { int m ; } ; struct D : B , C { int m ; } ; void fna ( A *obj ) { throw obj ; } void fnb ( B *obj ) { throw obj ; } void fnc ( C *obj ) { throw obj ; } void fnd ( D *obj ) { throw obj ; } extern "C" void abort ( ) ; void check ( D *d ) { int caught ; caught = 0 ; try { fnd ( d ) ; } catch ( A *p ) { abort ( ) ; } catch ( D *p ) { caught = 1 ; if ( p ! = d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnd ( d ) ; } catch ( A *p ) { abort ( ) ; } catch ( B *p ) { caught = 1 ; if ( p ! = d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnd ( d ) ; } catch ( A *p ) { abort ( ) ; } catch ( C *p ) { caught = 1 ; if ( p ! = d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fna ( ( B * ) d ) ; } catch ( B *p ) { abort ( ) ; } catch ( A *p ) { caught = 1 ; if ( p ! = ( B * ) d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fna ( ( C * ) d ) ; } catch ( C *p ) { abort ( ) ; } catch ( A *p ) { caught = 1 ; if ( p ! = ( C * ) d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnb ( ( B * ) d ) ; } catch ( A *p ) { caught = 1 ; if ( p ! = ( B * ) d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnb ( ( B * ) d ) ; } catch ( B *p ) { caught = 1 ; if ( p ! = ( B * ) d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnb ( ( B * ) d ) ; } catch< ( C *p ) { abort ( ) ; } catch ( D *p ) { abort ( ) ; } catch ( ... ) { caught = 1 ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnc ( ( C * ) d ) ; } catch ( A *p ) { caught = 1 ; if ( p ! = ( C * ) d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnc ( ( C * ) d ) ; } catch ( C *p ) { caught = 1 ; if ( p ! = d ) abort ( ) ; } catch ( ... ) { abort ( ) ; } if ( ! caught ) abort ( ) ; caught = 0 ; try { fnc ( ( C * ) d ) ; } catch> ( B *p ) { abort ( ) ; } catch ( D *p ) { abort ( ) ; } catch ( ... ) { caught = 1 ; } if ( ! caught ) abort ( ) ; return ; } int main ( ) { D d ; check ( & d ) ; check ( ( D * ) 0 ) ; return 0 ; } struct A { int m  ;  }  ;  struct B  :  A { int m  ;  }  ;  struct C  :  A { int m  ;  }  ;  struct D  :  B  ,  C { int m  ;  }  ;  void fna  (  A *obj  )  { throw obj  ;  } void fnb  (  B *obj  )  { throw obj  ;  } void fnc  (  C *obj  )  { throw obj  ;  } void fnd  (  D *obj  )  { throw obj  ;  } extern "C" void abort  (   )   ;  void check  (  D *d  )  { int caught  ;  caught  =  0  ;  try { fnd  (  d  )   ;  } catch  (  A *p  )  { abort  (   )   ;  } catch  (  D *p  )  { caught  =  1  ;  if  (  p  !   =  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnd  (  d  )   ;  } catch  (  A *p  )  { abort  (   )   ;  } catch  (  B *p  )  { caught  =  1  ;  if  (  p  !   =  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnd  (  d  )   ;  } catch  (  A *p  )  { abort  (   )   ;  } catch  (  C *p  )  { caught  =  1  ;  if  (  p  !   =  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fna  (   (  B *  )  d  )   ;  } catch  (  B *p  )  { abort  (   ) {  ;  } catch  (  A *p  )  { caught  =  1  ;  if  (  p  !   =   (  B *  )  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fna  (   (  C *  )  d  )   ;  } catch  (  C *p  )  { abort  (   )   ;  } catch  (  A *p  )  { caught  =  1  ;  if  (  p  !   =   (  C *  )  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnb  (   (  B *  )  d  )   ;  } catch  (  A *p  )  { caught  =  1  ;  if  (  p  !   =   (  B *  )  d  )  abort  (   )   ;  } catch  (  ...  ) } { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnb  (   (  B *  )  d  )   ;  } catch  (  B *p  )  { caught  =  1  ;  if  (  p  !   =   (  B *  )  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnb  (   (  B *  )  d  )   ;  } catch  (  C *p  )  { abort  (   )   ;  } catch  (  D *p  )  { abort  (   )   ;  } catch  (  ...  )  { caught  =  1  ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnc  (   (  C *  )  d  )   ;  } catch  (  A *p  )  { caught  =  1  ;  if  (  p  !   =   (  C *  )  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnc  (   (  C *  )  d  )   ;  } catch  (  C *p  )  { caught  =  1  ;  if  (  p  !   =  d  )  abort  (   )   ;  } catch  (  ...  )  { abort  (   )   ;  } if  (   !  caught  )  abort  (   )   ;  caught  =  0  ;  try { fnc  (   (  C *  )  d  )   ;  } catch  (  B *p  )  { abort  (   )   ;  } catch  (  D *p  )  { abort  (   )   ;  } catch  (  ...  )  { caught  =  1  ;  } if  (   !  caught  )  abort  (   )   ;  return  ;  } int main  (   )  { D d  ;  check  (   &  d  )   ;  check  (   (  D *  )  0  )   ;  return 0  ;  }