hg: jdk/jdk11: 8207746: C2: Lucene crashes on AVX512 instruction

[vladimir.kozlov at oracle.com]

Changeset: 7339b9e38182
Author:    vdeshpande
Date:      2018-08-15 00:48 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk11/rev/7339b9e38182

8207746: C2: Lucene crashes on AVX512 instruction
Summary: replace add/sub instructions which affect flags with lea instruction.
Reviewed-by: kvn, thartmann

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