RFR: 8211804: Constant AO_UNUSED_MBZ uses left shift of negative value

[Kim Barrett]

> On Oct 8, 2018, at 4:10 PM, Alan Bateman <Alan.Bateman at oracle.com> wrote:
> 
> On 08/10/2018 20:11, Kim Barrett wrote:
>> Please review this small change to native code in the (deprecated)
>> jdk.pack module.  The existing code triggers a warning when building
>> with gcc with -std=c++11 or -std=c++14.
>> 
>> CR:
>> https://bugs.openjdk.java.net/browse/JDK-8211804
>> 
>> Webrev:
>> http://cr.openjdk.java.net/~kbarrett/8211804/open.00/
>> 
> This looks okay to me.
> 
> -Alan

Thanks!