tree cde77f8513fe087c01c5dbfdc2ee1a5e209bd228
parent 3f613c17c1340bf30c5345fff8981e2367c2cb79
author Chris Jones <christopher.jones@arm.com> 1617203368 +0100
committer Chris Jones <christopher.jones@arm.com> 1618323703 +0100

Add exception in check when high error code == 0

Although not commonly done, it should be possible to add error codes
together even if the high level error code is equal to zero.

Signed-off-by: Chris Jones <christopher.jones@arm.com>