RFR: 8341784: Refactor TypeVect to use a BasicType instead of a const Type* [v3]

[Jasmine Karthikeyan]

On Thu, 10 Oct 2024 01:09:06 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

>> Hi,
>> 
>> This patch refactors `TypeVect` to use a `BasicType` instead of a `const Type*` as our current implementation. This conveys the element information in a clearer and safer manner.
>> 
>> Please take a look and leave your reviews,
>> Thanks a lot.
>
> Quan Anh Mai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   more style changes

Thanks, looks good to me!

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Marked as reviewed by jkarthikeyan (Committer).

PR Review: https://git.openjdk.org/jdk/pull/21414#pullrequestreview-2358765443