RFR: 8251462: Remove legacy compilation policy [v4]

[Igor Veresov]

On Wed, 20 Jan 2021 20:17:48 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Igor Veresov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Check legacy flags validity before deriving flag values for emulation mode.
>
> src/hotspot/share/compiler/compilerDefinitions.hpp line 171:
> 
>> 169:   }
>> 170: 
>> 171:   static bool is_c2_available() {
> 
> For me `_available` suffix sounds similar to `has_`. May be `_enabled` is better. At least it is less confusing where it is called.

Ok, I'll do that.

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PR: https://git.openjdk.java.net/jdk/pull/1985