RFR: 8267186: Add string deduplication support to ZGC [v2]

[Per Liden]

On Tue, 10 Aug 2021 01:44:32 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Per Liden has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Review comments from Erik
>
> src/hotspot/share/gc/z/zMarkContext.inline.hpp line 29:
> 
>> 27: #include "classfile/javaClasses.inline.hpp"
>> 28: #include "gc/z/zMarkCache.inline.hpp"
>> 29: #include "gc/z/zMarkContext.hpp"
> 
> The associated .hpp file is supposed to be included first by a .inline.hpp file, per JDK-8267464.

Ah, forgot about that new rule. Fixed.

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PR: https://git.openjdk.java.net/jdk/pull/5029