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

forax at univ-mlv.fr forax at univ-mlv.fr
Thu Sep 7 22:14:38 UTC 2017


----- Mail original -----
> De: "David Holmes" <david.holmes at oracle.com>
> À: "Remi Forax" <forax at univ-mlv.fr>
> Cc: "valhalla-dev" <valhalla-dev at openjdk.java.net>
> Envoyé: Jeudi 7 Septembre 2017 12:48:00
> Objet: Re: Initial RFR: 8187302: [Nestmates] Prepare for classfile version 54 and javac "release" update

> 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.
> 
> ???

Reading your patch, for me it was like you wanted something more like version_max hence '99', 99 being v54 currently.

> 
> David

Rémi

> 
>> 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


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