Initial RFR: 8187302: [Nestmates] Prepare for classfile version 54 and javac "release" update

[David Holmes]

Hi Remi,

On 7/09/2017 7:39 PM, Remi Forax wrote:
> Hi David,
> Having 10 -> v53 and 11 -> v54 is weird,

How is that weird? I just incremented the value. If it turns out that 10 
needs to bump to 54 then I'd bump 11 to 55.

> perhaps, --release 99 is better than release 11.

???

David

> Rémi
> 
> ----- Mail original -----
>> De: "David Holmes" <david.holmes at oracle.com>
>> À: "valhalla-dev" <valhalla-dev at openjdk.java.net>
>> Envoyé: Jeudi 7 Septembre 2017 10:54:04
>> Objet: Initial RFR: 8187302: [Nestmates] Prepare for classfile version 54 and javac "release" update
> 
>> webrev: http://cr.openjdk.java.net/~dholmes/8187302/webrev/
>>
>> (please ignore the two hotspot test changes)
>>
>> This changes prepares for switching to release 11 and classfile version
>> 54 so that I can put classfile version checks where needed, and compile
>> tests the right way, where needed.
>>
>> Initially the default remains release 10 and v53, but --release 11 can
>> be used to explicitly use v54.
>>
>> I think I have found everything that needs updating to allow use of
>> release 11 and v54 classfiles.
>>
>> Testing so far is minimal: javac Foo.java -> v53
>>                             javac --release 11 Foo.java -> v54
>>
>> langtools/tools/javac testing also conducted.
>>
>> Thanks,
>> David