hg: amber/amber: manual merge with concise methods branch

[vicente.romero at oracle.com]

Changeset: 8c442a53c552
Author:    vromero
Date:      2018-10-08 10:50 -0700
URL:       http://hg.openjdk.java.net/amber/amber/rev/8c442a53c552

manual merge with concise methods branch

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Flags.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java