hg: shenandoah/jdk10/hotspot: Add diagnostic flag to disable inline assembler write barrier.

[roman at kennke.org]

Changeset: c689b0d9822e
Author:    rkennke
Date:      2017-08-31 20:01 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/c689b0d9822e

Add diagnostic flag to disable inline assembler write barrier.

! src/cpu/x86/vm/stubGenerator_x86_64.cpp
! src/share/vm/gc/shenandoah/shenandoah_globals.hpp