RFR: 8271956: AArch64: C1 build failed after JDK-8270947

[Hao Sun]

On Mon, 9 Aug 2021 06:43:37 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> C1 build failed on AArch64 with the following error message:
>> 
>>   src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp:4642:30: error:
>>   invalid use of incomplete type 'class CompileTask'
>> 
>> 
>> Including the header would fix this error. Note that this header is
>> included already under COMPILER2 by "opto/compile.hpp".
>
> Looks fine and trivial.

Thanks for your review. @shipilev  and @nick-arm 
Since all the pre-submit tests pass with this trivial patch, I suppose it is ready to be merged now.

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PR: https://git.openjdk.java.net/jdk/pull/5045