public TYPE_1 METHOD_1 ( ) { <BUG> VAR_1 = null ;</BUG> VAR_1 = METHOD_2 ( VAR_2 ) ; return VAR_1 ; }
public TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) == null ) { VAR_1 = METHOD_2 ( VAR_2 ) ; } return VAR_1 ; } 
