hg: amber/amber: javac cannot read PermittedSubtypes attribute

[vicente.romero at oracle.com]

Changeset: 6bf534354b27
Author:    vromero
Date:      2019-04-29 14:10 -0400
URL:       http://hg.openjdk.java.net/amber/amber/rev/6bf534354b27

javac cannot read PermittedSubtypes attribute
Reviewed-by: vromero
Contributed-by: jlahoda

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java
! test/langtools/tools/javac/sealed/separate/TestSeparate01.java
! test/langtools/tools/javac/sealed/separate/TestSeparate_Neg.java
! test/langtools/tools/javac/sealed/separate/TestSeparate_Neg.out