RFR: 8286647: JFR: Build failure when C1 or C2 is disabled after JDK-8282420 [v2]

[Markus Grönlund]

On Thu, 12 May 2022 15:28:53 GMT, Jie Fu <jiefu at openjdk.org> wrote:

>> Hi all,
>> 
>> JDK fails to build when c1 or c2 is disabled after JDK-8282420.
>> The reason is that c1/c2 code is used without `#ifdef` guards.
>> The fix just adds some `#ifdef`.
>> 
>> Testing:
>>  - build   on Linux/x64
>>  - jdk/jfr on Linux/x64
>> 
>> Thanks.
>> Best regards,
>> Jie
>
> Jie Fu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Revert change in src/hotspot/share/jfr/jfr.hpp

Is the ifdef in jfr.cpp needed? There is no type-use, only the forwarding of pointers.

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PR: https://git.openjdk.java.net/jdk/pull/8680