hg: amber/amber: initial (basic) support for permitted subtypes

[jonathan.gibbons at oracle.com]

Changeset: caf2e374095c
Author:    jjg
Date:      2019-08-02 11:21 -0700
URL:       https://hg.openjdk.java.net/amber/amber/rev/caf2e374095c

initial (basic) support for permitted subtypes

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/ClassWriterImpl.java
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/LinkInfoImpl.java
! test/langtools/jdk/javadoc/doclet/testSealedTypes/TestSealedTypes.java