RFR: 8215500: ICRefillVerifierMark does not set the provided verfier as current

[Per Liden]

On 12/17/2018 06:57 PM, Erik Österlund wrote:
> Hi,
> 
> ICRefillVerifierMark::ICRefillVerifierMark sets "this" as the current 
> verifier, as opposed to the verifier passed in. That is wrong.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8215500
> 
> Webrev:
> http://cr.openjdk.java.net/~eosterlund/8215500/webrev.00/

Wow, one of those "how could this have ever worked?" ;) Should we 
forward declare ICRefillVerifier in thread.hpp to get some better type 
safety here and avoid the reinterpret_cast in icBuffer.cpp?

cheers,
Per