RFR: 8324679: Replace NULL with nullptr in HotSpot .ad files [v2]

[Coleen Phillimore]

On Wed, 31 Jan 2024 23:04:47 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix comments to Null Pointer and strings to null pointer.
>
> src/hotspot/cpu/arm/arm.ad line 807:
> 
>> 805: #ifndef PRODUCT
>> 806: void MachSpillCopyNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
>> 807:   implementation( nullptr, ra_, false, st );
> 
> Suggestion:
> 
>   implementation(nullptr, ra_, false, st );

It's the square with the +- in it to the right of "Preview".

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PR Review Comment: https://git.openjdk.org/jdk/pull/17658#discussion_r1473591237