1 /*

     2  * @test /nodynamiccopyright/

     3  * @bug 8081271

     4  * @summary NPE while compiling a program with erroneous use of constructor reference expressions.

     5  * @compile/fail/ref=MethodRefToInnerWithoutOuter.out -XDrawDiagnostics MethodRefToInnerWithoutOuter.java

     6 */

     7 

     8 import java.util.List;

     9 import java.util.ArrayList;

    10 

    11 class MethodRefToInnerBase {

    12     class TestString {

    13         String str;

    14         TestString(String strin) {

    15             str = strin;

    16         }

    17     }

    18 }

    19 public class MethodRefToInnerWithoutOuter extends MethodRefToInnerBase {

    20     public static void main(String[] args) {

    21         List<String> list = new ArrayList<>();

    22         list.stream().forEach(TestString::new);

    23     }

    24 }