Xcvmem incompatibilities with the GCC tests

Placeholder Paolo Savini
2023-12-12T12:09:01Z

Just opening this issue to keep track of the test incompatibilities in the closed PR https://gitlab.eclipse.org/openhw-group/backup-20260329/corev-llvm-project/-/merge_requests/89
Once it's confirmed they are all solved I'll close this issue.