RFR: 8348028: Unable to run gtests with CDS enabled

[Coleen Phillimore]

On Tue, 25 Feb 2025 00:51:55 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

> A simple fix in `os::jvm_path()` so that gtest can be run with CDS (`-Xshare:on`). The fix is just to change the directory name from `hotspot` to `server`.
> Note that the bug doesn't exist on macOS and thus no change is required for `os_bsd.cpp`.
> 
> Testing:
> 
> - run gtest with -Xshare:on on linux-x64
> - tier1

-XXaltjvm=X should find libjvm.so in $JAVA_HOME/{lib,bin}/X/libjvm.so
Where the minimal build is this:
-XXaltjvm=minimal

I thought that's how it used to work. I'm surprised this code still exists.

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PR Comment: https://git.openjdk.org/jdk/pull/23758#issuecomment-2683474649