Crash when computing T*VV with T a circulant matrix and VV = V + V a vector

Pluto-Circulant-Bug.jl

### A Pluto.jl notebook ###
# v0.19.9

using Markdown
using InteractiveUtils

# ╔═╡ d2f4364f-3fab-4f6b-ad1b-0335301f0f5a
import Pkg; Pkg.activate(ENV["PWD"])

# ╔═╡ b5220756-a51d-480d-804e-2b215bad8cf3
Pkg.add("ToeplitzMatrices")

# ╔═╡ a6236eee-c5e3-4ef0-87c4-6cc4d6a85f3c
Pkg.add("FFTW")

# ╔═╡ d9723aec-e0d3-4a6b-9e60-116707702e9f
using ToeplitzMatrices, FFTW

# ╔═╡ f326323d-6180-44bb-b7d0-894a77fbb340
T = Circulant([1.0, 0, 0])

# ╔═╡ 4ffa3b55-8037-427e-8733-bd379b020349
V = [1.0, 2.0, 3.0]

# ╔═╡ c989b8ab-3ed7-41d1-832f-5ed9741193ca
VV = V + V

# ╔═╡ e88a08ce-cc23-4d7d-a9df-fbc310db8cbd
ok = T*(V + V)

# ╔═╡ 0bb8b3da-be13-45c3-83d1-00151d6fc7fb
bug = T*VV

# ╔═╡ cfc65d3c-f82b-4789-8ebc-8f705776540f
println(ok)

# ╔═╡ 4222e846-7eae-4e70-9312-259f269f9224
println(bug)

# ╔═╡ Cell order:
# ╠═d2f4364f-3fab-4f6b-ad1b-0335301f0f5a
# ╠═b5220756-a51d-480d-804e-2b215bad8cf3
# ╠═a6236eee-c5e3-4ef0-87c4-6cc4d6a85f3c
# ╠═d9723aec-e0d3-4a6b-9e60-116707702e9f
# ╠═f326323d-6180-44bb-b7d0-894a77fbb340
# ╠═4ffa3b55-8037-427e-8733-bd379b020349
# ╠═c989b8ab-3ed7-41d1-832f-5ed9741193ca
# ╠═e88a08ce-cc23-4d7d-a9df-fbc310db8cbd
# ╠═0bb8b3da-be13-45c3-83d1-00151d6fc7fb
# ╠═cfc65d3c-f82b-4789-8ebc-8f705776540f
# ╠═4222e846-7eae-4e70-9312-259f269f9224