RFR: 8159613: [Findbugs] various warnings reported for JVMCI sources

[Doug Simon]

> On 22 Jun 2016, at 00:18, Christian Thalinger <cthalinger at twitter.com> wrote:
> 
> src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java
> 
> I guess the problem in getHostArchitectureName is the missing default case?  I’d prefer something like this:
> 
> -        switch (arch) {
> -            case "x86_64":
>                 return "amd64";
> -            case "sparcv9":
>                  return "sparc";
>               default:
>                  return arch;
>          }

Also addressed in the v2 of the webrev.

-Doug