RFR JDK-8167328: jar -d m.jar hangs

[Chris Hegarty]

Thank you Sherman, this looks good.

-Chris.

> On 1 Dec 2016, at 00:48, Xueming Shen <xueming.shen at oracle.com> wrote:
> 
> Hi,
> 
> Please help review the change for #8167328
> 
> issue: https://bugs.openjdk.java.net/browse/JDK-8167328
> webrev: http://cr.openjdk.java.net/~sherman/8167328
> 
> It appears the desired behavior is to throw the error + help msg if the
> option "--print-module-descriptor"/ "-d" is specified with some extra
> file names.
> 
> Thanks,
> Sherman
>