*Address.hashCode ignore the upper 32 bits of a long value

[Pavel Rappo]

A better place for this email might be the serviceability-dev mailing list (CC'ed).

> On 4 Apr 2021, at 09:31, kariyam <kariyam at oss.nttdata.com> wrote:
> 
> Hi,
> 
> I found that sun.jvm.hotspot.debugger.*.*Address.hashCode ignore the upper 32 bits of a long value.
> 
> e.g. https://github.com/openjdk/jdk/blob/3789983e89c9de252ef546a1b98a732a7d066650/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/LinuxAddress.java#L56
> 
> I don't think the upper 32 bits of a long value should be ignored.
> IMHO, the Long.hashCode static method is suitable for such cases.
> 
> If it's worth making this change, could anyone submit this issue to JBS?
> 
> I'm ready to submit a pull request, but I don't have an Author role.
> 
> Please let me know if there is a better place to do so.
> 
> Thanks