Первый элемент bash массива пропадает в командной строке

$ A=("one" "two" "three") ; echo "${A[0]} - ${A[1]} - ${A[2]}"
one - two - three
$ echo "${A[0]} - ${A[1]} - ${A[2]}"
one - two - three

$ bash --version
GNU bash, version 4.3.42(1)-release (x86_64-pc-linux-gnu)

$ bash --version
GNU bash, version 4.3.42(1)-release (x86_64-unknown-linux-gnu)
$ A=("one" "two" "three") ; echo "${A[0]} - ${A[1]} - ${A[2]}"
one - two - three

➜ zsh --version
zsh 5.2 (x86_64-unknown-linux-gnu)
➜ A=("one" "two" "three") ; echo "${A[0]} - ${A[1]} - ${A[2]}"
 - one - two
➜ echo ${A[3]}
three

$ [[ -v A ]] && echo Exists