"set -u" and empty arrays

[Ulrich Windl]

Bash Version: 4.3
Patch Level: 48
Release Status: release

Hi!

Is this intended with "set -u":
# set -u
# declare -a INSTANCES
# echo ${INSTANCES[*]}
bash: INSTANCES[*]: unbound variable
# INSTANCES=()
# echo ${INSTANCES[*]}
bash: INSTANCES[*]: unbound variable
# echo ${INSTANCES[@]}
bash: INSTANCES[@]: unbound variable

Reagrds,
Ulrich