hg: amber/amber: Automatic merge with records-and-sealed

[maurizio.cimadamore at oracle.com]

Changeset: 6c3d3494c4c5
Author:    mcimadamore
Date:      2019-09-10 23:06 +0000
URL:       https://hg.openjdk.java.net/amber/amber/rev/6c3d3494c4c5

Automatic merge with records-and-sealed

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java