RFR: 8310494: Do not include constantPool.hpp from instanceKlass.hpp [v3]

[Coleen Phillimore]

On Thu, 22 Jun 2023 22:38:12 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> instanceKlass.hpp is needed quite frequently for HotSpot C++ sources, but constantPool.hpp is much less frequently.
>> 
>> This PR is the first step of reducing the inclusion of constantPool.hpp, by removing it from instanceKlass.hpp
>> 
>> I moved a bunch of inline functions into instanceKlass.cpp. These don't seem to be performance related.
>
> Ioi Lam has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Merge branch 'master' into 8310494-remove-constantPool-from-instanceKlass-hpp
>  - moved comment about on_stack() to the cpp file (which already has the comment)
>  - @stefank review comments
>  - 8310494: Do not include constantPool.hpp from instanceKlass.hpp

Marked as reviewed by coleenp (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/14597#pullrequestreview-1495644882