hg: amber/amber: fixing bug on sealed classes in same compilation unit

[vicente.romero at oracle.com]

Changeset: f44032b6dbad
Author:    vromero
Date:      2019-06-26 11:42 -0400
URL:       http://hg.openjdk.java.net/amber/amber/rev/f44032b6dbad

fixing bug on sealed classes in same compilation unit

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java
! test/langtools/tools/javac/sealed/CheckingAttributeAtRuntimeTest.java