test/Basics/ArrayConcat.baseline

a = [1, 2, 3]
b = [1, 2, 3, 4, 5, 6]
c = [1, [2, 3]]
d = [1, 2, 3, 4, 5, [6, [7]]]
e = [1, 2, 3, 4, 5, 6, 7, 8, [9, [10]]]