8178380: Module system implementation refresh (5/2017 update)

[Mandy Chung]

> On May 2, 2017, at 3:11 AM, Chris Hegarty <chris.hegarty at oracle.com> wrote:
> 
> Mandy,
> 
> On 02/05/17 03:47, Mandy Chung wrote:
>> 
>>> ...
>> src/jdk.jartool/share/classes/sun/tools/jar/Main.java
>> 619                         if (dflag) {
>> 620                             // "--describe-module/-d" does not require file argument(s),
>> 621                             // but does accept --release
>> 622                             usageError(getMsg("error.bad.dflag"));
>> 623                             return false;
>> 624                         }
> 
> Sorry, I'm not sure of the issue here. I added this check when
> updating the describe option to accept an optional `--release`
> ( the effective runtime version ) when describing a multi-release
> modular JAR. This check is required as passing `-C`, in this
> context, is an error. There are exiting tests that verify this.

Not an issue.  I was a little confused of this change at the beginning
mostly due to the jar tool implementation.  This is fine.

Mandy