parameter default given by other parameter leads to incorrect codegen about modelingtoolkit.jl HOT 1 OPEN

function outer(; name)
    @parameters a = 1
    @parameters b = a
    systems = @named begin
        i = inner(a=b)
    end
    @variables y(t) = 0
    ODESystem([D(y) ~ a], t; name, systems)
end


@named o = outer()
o = complete(o)
prob = ODEProblem(structural_simplify(o), [], (0, 1))
sol = solve(prob, Tsit5())
@assert sol[o.y] ≈ sol[o.i.x]

@named o = outer()
o = complete(o)
prob = ODEProblem(structural_simplify(o), [o.a => 2], (0, 1))
sol = solve(prob, Tsit5())
@assert sol[o.y] ≈ sol[o.i.x]