hg: panama/dev: Automatic merge with foreign

[maurizio.cimadamore at oracle.com]

Changeset: 300accd57122
Author:    mcimadamore
Date:      2018-10-02 00:14 +0200
URL:       http://hg.openjdk.java.net/panama/dev/rev/300accd57122

Automatic merge with foreign

! src/hotspot/cpu/x86/macroAssembler_x86.hpp