RFR: 8324242: Avoid null check for OopHandle::ptr_raw() [v3]

[Kim Barrett]

On Tue, 23 Jan 2024 19:47:21 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Looks okay. Pity we were not able to eliminate the `ptr_raw` use completely.

Some of the remaining would require a lot more preparatory work, if possible at all.

Thanks for reviews, @jdksjolen , @shipilev , and @coleenp .

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PR Comment: https://git.openjdk.org/jdk/pull/17510#issuecomment-1909394656