From 44e383f595f843f0d0194cb605e10511d7300c1a Mon Sep 17 00:00:00 2001
From: "Steven G. Johnson" <stevenj@mit.edu>
Date: Wed, 18 Oct 2017 17:23:54 -0400
Subject: [PATCH] bugfix in collect(A) for zero-dimensional array

---
 base/array.jl         | 2 +-
 test/abstractarray.jl | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/base/array.jl b/base/array.jl
index 39693ce6c7be30..f3f54983a6c6fb 100644
--- a/base/array.jl
+++ b/base/array.jl
@@ -620,7 +620,7 @@ function _collect(cont, itr, ::HasEltype, isz::SizeUnknown)
     return a
 end
 
-_collect_indices(::Tuple{}, A) = copy!(Vector{eltype(A)}(), A)
+_collect_indices(::Tuple{}, A) = copy!(Array{eltype(A)}(), A)
 _collect_indices(indsA::Tuple{Vararg{OneTo}}, A) =
     copy!(Array{eltype(A)}(length.(indsA)), A)
 function _collect_indices(indsA, A)
diff --git a/test/abstractarray.jl b/test/abstractarray.jl
index 9c6b0d51e207f7..f5e8e0c486bff8 100644
--- a/test/abstractarray.jl
+++ b/test/abstractarray.jl
@@ -864,3 +864,8 @@ end
         copy!(Array{T,n}(size(a)), a)
     @test isa(similar(Dict(:a=>1, :b=>2.0), Pair{Union{},Union{}}), Dict{Union{}, Union{}})
 end
+
+@testset "zero-dimensional copy" begin
+    Z = Array{Int}(); Z[] = 17
+    @test Z == collect(Z) == copy(Z)
+end