hg: amber/amber: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: 1ecccc7748df
Author:    mcimadamore
Date:      2019-02-15 17:28 +0100
URL:       http://hg.openjdk.java.net/amber/amber/rev/1ecccc7748df

Automatic merge with default

! src/hotspot/share/classfile/classFileParser.cpp
! src/hotspot/share/classfile/systemDictionary.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/runtime/mutexLocker.hpp
! src/hotspot/share/runtime/thread.hpp
! src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java
! test/hotspot/jtreg/ProblemList.txt