Y20220317-0600
exhaustive if one of the subtypes is sealed itself Change-Id: I0e4853f411fa38716cf0578f1e9ec1f2f97a1059 Signed-off-by: Manoj N Palat <manoj.palat@in.ibm.com> Signed-off-by: Manoj Palat <manpalat@in.ibm.com> Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/191938