RFR: 8268125: ZGC: Clone oop array gets wrong acopy stub [v4]

[Nils Eliasson]

On Mon, 14 Jun 2021 19:04:51 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Nils Eliasson has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove whitespace
>
> src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp line 257:
> 
>> 255: }
>> 256: 
>> 257: #define XTOP LP64_ONLY(COMMA phase->top())
> 
> I'm curious whether `XTOP` should be underfined at the end of the scope (here and in other places).

Added Undef in all four files that has it defined.

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PR: https://git.openjdk.java.net/jdk/pull/4359