RFR: 8325081: Move '_soft_ref_policy' to 'CollectedHeap'

[Kim Barrett]

On Sat, 3 Feb 2024 07:54:54 GMT, Lei Zaakjyu <duke at openjdk.org> wrote:

> trivial

In the constructor for CollectedHeap, I'd like the newly added `_soft_ref_policy` to
be explicitly initialized, rather than relying on implicit member initialization.  That is,
add a mem-initializer to the mem-initializer-list of that constructor.

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Changes requested by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17693#pullrequestreview-1861039681