RFR: 8306843: JVMTI tag map extremely slow after JDK-8292741 [v2]

[Ioi Lam]

On Mon, 8 May 2023 13:59:06 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> I would suggest `put_when_absent` to complement `put_if_absent` - with suitable descriptive comments of course.
>
> This is a good name.  Updated.

I cannot tell the difference between `put_when_absent` and `put_if_absent`. Grammatically they mean the same thing to me.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13818#discussion_r1187952526