FULL PRODUCT VERSION :
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+131)
Java HotSpot(TM) 64-Bit Server VM (build 9-ea+131, mixed mode)

FULL OS VERSION :
Linux 4.1.15-gentoo-r1 #1 SMP Sat May 21 23:45:31 CEST 2016 x86_64 Intel(R) Core(TM) i7-3632QM CPU @ 2.20GHz GenuineIntel GNU/Linux

A DESCRIPTION OF THE PROBLEM :
I'm a developer of the JaCoCo code coverage library. While preparing test cases for cyclic Interface initialization I encountered this issue and isolated a simple reproducer.

According to JVMS 5.5 :
interface Child is initialized as a result of invokestatic,
and interface Base supposed to be initialized, because it is superinterface of Child and declares a non-abstract, non-static method.


THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Yes

THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Yes

REGRESSION. Last worked in version 8u102

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Compile and start the source code below.

EXPECTED VERSUS ACTUAL BEHAVIOR :
$ java -version
java version "1.8.0_102"
Java(TM) SE Runtime Environment (build 1.8.0_102-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.102-b14, mixed mode)

$ java BadInterfaceCycle
base clinit
child default method
child clinit
child static method

$ java -version
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+131)
Java HotSpot(TM) 64-Bit Server VM (build 9-ea+131, mixed mode)

$ java BadInterfaceCycle
child clinit
child static method

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class BadInterfaceCycle {

  interface Base {
    static final Object BASE_CONST = new Child() {
      {
        System.out.println("base clinit");
      }
    }.childDefaultMethod();

    default void baseDefaultMethod() {
    }
  }

  interface Child extends Base {
    static final Object CHILD_CONST = new Object() {
      {
        System.out.println("child clinit");
      }
    };

    static void childStaticMethod() {
      System.out.println("child static method");
    }

    default Object childDefaultMethod() {
      System.out.println("child default method");
      return null;
    }
  }

  public static void main(String[] args) {
    Child.childStaticMethod();
  }
}

---------- END SOURCE ----------