RFR(XS) : 8021120 : TieredCompilation can be enabled even if TIERED is undefined

[Vladimir Kozlov]

David,

We can't use UNSUPPORTED_OPTION because of the message it produces: "is 
disabled in this release." We need: "is not supported in this VM."

Thanks,
Vladimir

On 7/23/13 4:04 PM, David Holmes wrote:
> Hi Igor,
>
> On 23/07/2013 10:38 PM, Igor Ignatyev wrote:
>> Hi all,
>>
>> Please review patch.
>>
>> Problem:
>> If 'COMPILER2' is defined, it will be possible to enable
>> 'TieredCompilation' even if 'TIERED' is undefined. But such VM will
>> raise error at 'compilationPolicy_init'
>>
>> Fix:
>> Forcibly set 'TieredCompilation' in false, if 'TIERED' is undefined.
>
> If you use UNSUPPORTED_OPTION it will issue a warning and force it to
> false.
>
> David
> -----
>
>> webrev: http://cr.openjdk.java.net/~iignatyev/8021120/webrev.00/
>> jbs: https://jbs.oracle.com/bugs/browse/JDK-8021120
>> testing: jprt, 'java -version' on different VM (including embedded
>> client, server, minimal)