RFR: 8354969: Add strdup function for ResourceArea

[David Holmes]

On Fri, 2 May 2025 09:56:32 GMT, Anton Artemov <duke at openjdk.org> wrote:

> Added a strdup() method, as requested by the bug reporter. The method is added to Arena, but also available in ResourceArea, as requested. A test for the method is provided. 
> 
> Testing: tiers 1-3 on multiple platforms.

Do we have any immediate candidate uses for this? Whilst in the past Hotspot code had a number of utility API's, these days there is a tendency to delete any unused code. So this really needs to have an imminent usage (@iklam ?) .

Code change itself looks fine. Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24998#pullrequestreview-2826685566