s390x: some migration tests and gcc12 support

Hi Paolo,

please merge the following changes:

• support for gcc12
• cmm migration test
• storage key migration test

MERGE: !33 (merged)

PIPELINE: https://gitlab.com/imbrenda/kvm-unit-tests/-/pipelines/563551059

PULL: https://gitlab.com/imbrenda/kvm-unit-tests.git s390x-next-2022-06

Signed-off-by: Claudio Imbrenda imbrenda@linux.ibm.com

changed the description

marked this merge request as ready

(Travis) Your build failed. No time to be sad, check, fix and try again!
https://app.travis-ci.com/gitlab/kvm-unit-tests/kvm-unit-tests/builds/251940732?utm_source=github_status&utm_medium=notification

mentioned in commit 610c1528

merged

The travis build failures seem unrelated, so I merged this now.