RFR: 8348028: Unable to run gtests with CDS enabled

[Calvin Cheung]

On Wed, 26 Feb 2025 00:45:09 GMT, David Holmes <dholmes at openjdk.org> wrote:

> AFAICS the is_altjvm property is only used by this `os::jvm_path` logic, so perhaps the solution is to simply not set that property for the gtestlauncher?
> 

It didn't work. I got the following error:

[----------] 1 test from ThreadsListHandle
[ RUN      ] ThreadsListHandle.sanity_vm
Error occurred during initialization of VM
Failed setting boot class path.

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PR Comment: https://git.openjdk.org/jdk/pull/23758#issuecomment-2685774325