[lworld] RFR: 8327636: [lworld] Make primitive wrappers be value class if preview feature is enabled [v2]

[Mandy Chung]

On Fri, 8 Mar 2024 05:03:42 GMT, Chen Liang <liach at openjdk.org> wrote:

> Can Class::getModule ever return null after module system is initialized?

No.

`lookupModule == null` when module system is being initialized before java.base is defined.   So the null check needs to be there.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1040#discussion_r1517171301