RFR: 8167353: [JVMCI] JVMCI re-initialization check is in the wrong location

[Vladimir Kozlov]

Looks good.

thanks,
Vladimir

On 10/7/16 8:17 AM, Doug Simon wrote:
> Please review this change that move a guard against JVMCI re-initialization to the right location. The chance of a race causing the check to fail when in the current/wrong location increased recently due to a change in Graal[1] which causes more JVMCI code to be run on application threads.
>
> The webrev puts the check in the right place and also converts an assertion to a guarantee for a related check.
>
> https://bugs.openjdk.java.net/browse/JDK-8167353
> http://cr.openjdk.java.net/~dnsimon/8167353/
>
> -Doug
>