hg: jdk/jdk10: 8191637: Interface with defaults invalid compiler warning for Serializable

[jonathan.gibbons at oracle.com]

Changeset: e2b8009bf42c
Author:    jjg
Date:      2018-01-05 16:49 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk10/rev/e2b8009bf42c

8191637: Interface with defaults invalid compiler warning for Serializable
Reviewed-by: vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
+ test/langtools/tools/javac/T6356530/SerializableAbstractClassTest.java
+ test/langtools/tools/javac/T6356530/SerializableAbstractClassTest.out
- test/langtools/tools/javac/T6356530/SerializableAbstractClassWithNonAbstractMethodsTest.java
- test/langtools/tools/javac/T6356530/SerializableAbstractClassWithNonAbstractMethodsTest.out