hg: jdk/submit: 8213538: VM crashes when MaxVectorSize is set to 0, 1 or 2

[nils.eliasson at oracle.com]

Changeset: 6e8c1206cca1
Author:    neliasso
Date:      2018-11-15 09:45 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/6e8c1206cca1

8213538: VM crashes when MaxVectorSize is set to 0, 1 or 2
Summary: Require MaxVectorSize minimum 4 on 64 bit
Reviewed-by: kvn, thartmann

! src/hotspot/cpu/x86/vm_version_x86.cpp