[lworld] RFR: 8373442: [lworld] Fix CDS heap dumping crashes [v2]

[Coleen Phillimore]

On Thu, 11 Dec 2025 20:02:32 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This fixes three crashes in when heap dumping is enabled with Matias's patch.
>> Tested with tier1-3, that doesn't exactly turn on valhalla and some --enable-valhalla testing locally.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add comment that archiving flattened arrays with oops in the inline class element type is not supported.

Thanks for reviewing Ioi and Matias.

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PR Comment: https://git.openjdk.org/valhalla/pull/1784#issuecomment-3643657398