diff --git a/test/runtests.jl b/test/runtests.jl
index fd31a13ea0..c9cde02c28 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -707,6 +707,111 @@ end
     Enzyme.API.strictAliasing!(true)
     f10(x) = hypot(x, 2x)
     @test autodiff(Reverse, f10, Active, Active(2.0))[1][1] == sqrt(5)
+    @test autodiff(Forward, f10, Duplicated(2.0, 1.0))[1]   == sqrt(5)
+
+    f11(x) = x * sum(LinRange(x, 10.0, 6))
+    @test autodiff(Reverse, f11, Active, Active(2.0))[1][1] == 42
+    @test autodiff(Forward, f11, Duplicated(2.0, 1.0))[1]   == 42
+
+    f12(x, k) = get(Dict(1 => 1.0, 2 => x, 3 => 3.0), k, 1.0)
+    @test autodiff(Reverse, f12, Active, Active(2.0),  Const(2))[1] == (1.0, nothing)
+    @test autodiff(Forward, f12, Duplicated(2.0, 1.0), Const(2))    == (1.0,)
+    @test autodiff(Reverse, f12, Active, Active(2.0),  Const(3))[1] == (0.0, nothing)
+    @test autodiff(Forward, f12, Duplicated(2.0, 1.0), Const(3))    == (0.0,)
+    @test autodiff(Reverse, f12, Active, Active(2.0),  Const(4))[1] == (0.0, nothing)
+    @test autodiff(Forward, f12, Duplicated(2.0, 1.0), Const(4))    == (0.0,)
+
+    f13(x) = muladd(x, 3, x)
+    @test autodiff(Reverse, f13, Active, Active(2.0))[1][1] == 4
+    @test autodiff(Forward, f13, Duplicated(2.0, 1.0))[1]   == 4
+
+    f14(x) = x * cmp(x, 3)
+    @test autodiff(Reverse, f14, Active, Active(2.0))[1][1] == -1
+    @test autodiff(Forward, f14, Duplicated(2.0, 1.0))[1]   == -1
+
+    f15(x) = x * argmax([1.0, 3.0, 2.0])
+    @test autodiff(Reverse, f15, Active, Active(3.0))[1][1] == 2
+    @test autodiff(Forward, f15, Duplicated(3.0, 1.0))[1]   == 2
+
+    f16(x) = evalpoly(2, (1, 2, x))
+    @test autodiff(Reverse, f16, Active, Active(3.0))[1][1] == 4
+    @test autodiff(Forward, f16, Duplicated(3.0, 1.0))[1]   == 4
+
+    f17(x) = @evalpoly(2, 1, 2, x)
+    @test autodiff(Reverse, f17, Active, Active(3.0))[1][1] == 4
+    @test autodiff(Forward, f17, Duplicated(3.0, 1.0))[1]   == 4
+
+    f18(x) = widemul(x, 5.0f0)
+    @test autodiff(Reverse, f18, Active, Active(2.0f0))[1][1] == 5
+    @test autodiff(Forward, f18, Duplicated(2.0f0, 1.0f0))[1] == 5
+
+    f19(x) = copysign(x, -x)
+    @test autodiff(Reverse, f19, Active, Active(2.0))[1][1] == -1
+    @test autodiff(Forward, f19, Duplicated(2.0, 1.0))[1]   == -1
+
+    f20(x) = sum([ifelse(i > 5, i, zero(i)) for i in [x, 2x, 3x, 4x]])
+    @test autodiff(Reverse, f20, Active, Active(2.0))[1][1] == 7
+    @test autodiff(Forward, f20, Duplicated(2.0, 1.0))[1]   == 7
+
+    function f21(x)
+        nt = (a=x, b=2x, c=3x)
+        return nt.c
+    end
+    @test autodiff(Reverse, f21, Active, Active(2.0))[1][1] == 3
+    @test autodiff(Forward, f21, Duplicated(2.0, 1.0))[1]   == 3
+
+    f22(x) = sum(fill(x, (3, 3)))
+    @test autodiff(Reverse, f22, Active, Active(2.0))[1][1] == 9
+    @test autodiff(Forward, f22, Duplicated(2.0, 1.0))[1]   == 9
+
+    function f23(x)
+        a = similar(rand(3, 3))
+        fill!(a, x)
+        return sum(a)
+    end
+    @test autodiff(Reverse, f23, Active, Active(2.0))[1][1] == 9
+    @test autodiff(Forward, f23, Duplicated(2.0, 1.0))[1]   == 9
+
+    function f24(x)
+        try
+            return 3x
+        catch
+            return 2x
+        end
+    end
+    @test autodiff(Reverse, f24, Active, Active(2.0))[1][1] == 3
+    @test autodiff(Forward, f24, Duplicated(2.0, 1.0))[1]   == 3
+
+    function f25(x)
+        try
+            sqrt(-1.0)
+            return 3x
+        catch
+            return 2x
+        end
+    end
+    @test autodiff(Reverse, f25, Active, Active(2.0))[1][1] == 2
+    @test autodiff(Forward, f25, Duplicated(2.0, 1.0))[1]   == 2
+
+    f26(x) = circshift([1.0, 2x, 3.0], 1)[end]
+    @test autodiff(Reverse, f26, Active, Active(2.0))[1][1] == 2
+    @test autodiff(Forward, f26, Duplicated(2.0, 1.0))[1]   == 2
+
+    f27(x) = repeat([x 3x], 3)[2, 2]
+    @test autodiff(Reverse, f27, Active, Active(2.0))[1][1] == 3
+    @test autodiff(Forward, f27, Duplicated(2.0, 1.0))[1]   == 3
+
+    f28(x) = x * sum(trues(4, 3))
+    @test autodiff(Reverse, f28, Active, Active(2.0))[1][1] == 12
+    @test autodiff(Forward, f28, Duplicated(2.0, 1.0))[1]   == 12
+
+    f29(x) = sum(Set([1.0, x, 2x, x]))
+    @test autodiff(Reverse, f29, Active, Active(2.0))[1][1] == 3
+    @test autodiff(Forward, f29, Duplicated(2.0, 1.0))[1]   == 3
+
+    f30(x) = reverse([x 2.0 3x])[1]
+    @test autodiff(Reverse, f30, Active, Active(2.0))[1][1] == 3
+    @test autodiff(Forward, f30, Duplicated(2.0, 1.0))[1]   == 3
 end
 
 function deadarg_pow(z::T, i) where {T<:Real}