RFR: JDK-8202384: Introduce altserver jvm variant with speculative execution disabled

[jesper.wilhelmsson at oracle.com]

> On 4 Jun 2018, at 17:52, Erik Joelsson <erik.joelsson at oracle.com> wrote:
> 
> Hello,
> 
> On 2018-06-01 14:00, Aleksey Shipilev wrote:
>> On 06/01/2018 10:53 PM, Erik Joelsson wrote:
>>> This patch defines flags for disabling speculative execution for GCC and Visual Studio and applies
>>> them to all binaries except libjvm when available in the compiler. It defines a new jvm feature
>>> no-speculative-cti, which is used to control whether to use the flags for libjvm. It also defines a
>>> new jvm variant "altserver" which is the same as server, but with this new feature added.
>> I think the classic name for such product configuration is "hardened", no?
> I don't know. I'm open to suggestions on naming.

"hardened" sounds good to me.

The change looks good as well.
/Jesper

> 
> /Erik
>> -Aleksey
>> 
>