[crac] RFR: 8369729: [CRaC] CRaC restore fails with different CPUs

[Jan Kratochvil]

On Tue, 14 Oct 2025 09:34:40 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

> Which case in `CPUFeatures.sh` does test this? Is this a disabled test (that could be enabled now?)

This line should find it:

checkpoint_restore "kvm           IvyBridge"   "kvm           SandyBridge" - "-XX:CPUFeatures=0x142100054bbd7,0xc0" 

but even with this fix that testcase is still crashing. Maybe it is due to the still missing CPU Features (ZULU-82655):
- `CMPXCHG16B`
- `LAHF64_SAHF64`

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PR Comment: https://git.openjdk.org/crac/pull/268#issuecomment-3402010657