[lworld] RFR: 8315272: [lworld] Replacing NULL with nullptr in aarch64 code

[Lois Foltan]

On Tue, 29 Aug 2023 20:28:23 GMT, Frederic Parain <fparain at openjdk.org> wrote:

> NULL -> nullptr replacement in aarch64 code.
> 
> Tested with Mach5 tier1.
> 
> Fred

Looks good.
Lois

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Marked as reviewed by lfoltan (Committer).

PR Review: https://git.openjdk.org/valhalla/pull/920#pullrequestreview-1601623402