we were copying PSW into a local variable, updated PSW.CDE in the local
and never wrote it back. So when we called save_context_upper() we were
using the non-local version of PSW which did not contain the updated
PSW.CDE.
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230526061946.54514-6-kbastian@mail.uni-paderborn.de>
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