hg: panama/dev: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: a4ff90ca9942
Author:    mcimadamore
Date:      2019-12-25 22:13 +0000
URL:       https://hg.openjdk.java.net/panama/dev/rev/a4ff90ca9942

Automatic merge with default

! src/hotspot/cpu/x86/assembler_x86.hpp
! test/jdk/TEST.groups