public void METHOD_1 ( TYPE_1 VAR_1 ) { <BUG> if ( VAR_1 == null ) {return ;}</BUG> this . METHOD_1 ( VAR_1 ) ; }
public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 != null ) { this . METHOD_1 ( VAR_1 ) ; } } 
