hg: amber/amber: Automatic merge with jep-334

[maurizio.cimadamore at oracle.com]

Changeset: 74a02916a967
Author:    mcimadamore
Date:      2018-12-03 20:05 +0100
URL:       http://hg.openjdk.java.net/amber/amber/rev/74a02916a967

Automatic merge with jep-334

! src/java.base/share/classes/java/lang/constant/DynamicCallSiteDesc.java
! src/java.base/share/classes/java/lang/constant/DynamicConstantDesc.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java