The AArch64:CPUFeature and AArch64:Flag enum values (from jdk.internal.vm.ci/share/classes/jdk.vm.ci.aarch64) are not passed through the JVMCI.
The AArch64HotspotJVMCIBackendFactory class should pass these values via the computeFeatures() and computeFlags() functions.
The AArch64HotspotJVMCIBackendFactory class should pass these values via the computeFeatures() and computeFlags() functions.