From 8d74f76af05af61a5cdbe50d49d6339d579c10db Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Wed, 1 Dec 2021 21:16:53 -0500
Subject: [PATCH 1/3] Fix the enzyme default check

---
 src/concrete_solve.jl    |  2 +-
 test/complex_adjoints.jl | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/concrete_solve.jl b/src/concrete_solve.jl
index 9d35a7a7f..3612407fc 100644
--- a/src/concrete_solve.jl
+++ b/src/concrete_solve.jl
@@ -29,7 +29,7 @@ function DiffEqBase._concrete_solve_adjoint(prob::Union{ODEProblem,SDEProblem},
         try
           Enzyme.autodiff(Enzyme.Duplicated(du, du),
                           u0,p,prob.tspan[1]) do out,u,_p,t
-            f(out, u, _p, t)
+            prob.f(out, u, _p, t)
             nothing
           end
           true
diff --git a/test/complex_adjoints.jl b/test/complex_adjoints.jl
index 824a6bf1a..500162b65 100644
--- a/test/complex_adjoints.jl
+++ b/test/complex_adjoints.jl
@@ -51,3 +51,17 @@ dp2 = Zygote.gradient((p)->inner_loop(prob, p, loss_fun; sensealg = QuadratureAd
 dp3 = Zygote.gradient((p)->inner_loop(prob, p, loss_fun; sensealg = BacksolveAdjoint()), p)[1]
 @test dp1 ≈ dp2 ≈ dp3
 @test eltype(dp1) <: Float64
+
+function fiip(du,u,p,t)
+  du[1] = dx = p[1]*u[1] - p[2]*u[1]*u[2]
+  du[2] = dy = -p[3]*u[2] + p[4]*u[1]*u[2]
+end
+p = [1.5,1.0,3.0,1.0]; u0 = [1.0; 1.0]
+prob = ODEProblem(fiip,complex(u0),(0.0,10.0),complex(p))
+
+function sum_of_solution(u0, p)
+    _prob = remake(prob,u0=u0,p=p)
+    real(sum(solve(_prob,Tsit5(),reltol=1e-6,abstol=1e-6,saveat=0.1)))
+end
+
+dx = Zygote.gradient(sum_of_solution, complex(u0), complex(p))

From 4cffcc8d4f75172a536e529ac89e1edadcbaf455 Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Wed, 1 Dec 2021 21:49:25 -0500
Subject: [PATCH 2/3] run on v1.6

---
 .github/workflows/CI.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9d94ef58b..17870ffe3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
         with:
-          version: 1
+          version: 1.6
       - uses: actions/cache@v1
         env:
           cache-name: cache-artifacts

From abc75c33cc6e3188777912b5a0b1bc6450a325da Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Wed, 1 Dec 2021 22:30:59 -0500
Subject: [PATCH 3/3] fix downstream

---
 src/concrete_solve.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/concrete_solve.jl b/src/concrete_solve.jl
index 3612407fc..d8f8be15a 100644
--- a/src/concrete_solve.jl
+++ b/src/concrete_solve.jl
@@ -611,7 +611,7 @@ function DiffEqBase._concrete_solve_adjoint(prob,alg,sensealg::TrackerAdjoint,
   out,pullback = Tracker.forward(tracker_adjoint_forwardpass,u0,p)
   function tracker_adjoint_backpass(ybar)
     tmp = if eltype(ybar) <: Number
-      ybar
+      Array(ybar)
     elseif typeof(ybar[1]) <: Array
       return Array(ybar)
     else