inField.setObjectValue(null, in);
inField.setObjectValueUnchecked(null, in);
  static void setIn(InputStream in) {    try {      VM_Field inField = 	((VM_Class)JikesRVMSupport.getTypeForClass(System.class))	.findDeclaredField( 			   VM_Atom.findOrCreateUnicodeAtom("in"), 			   VM_Atom.findOrCreateUnicodeAtom("Ljava/io/InputStream;"));      inField.setObjectValue(null, in);    } catch (Exception e) {      throw new Error( e.toString() );    }  }