From 5ddb82f339e188f23200eb69fb76fc3451b485c4 Mon Sep 17 00:00:00 2001
From: Arno Strouwen <arno.strouwen@telenet.be>
Date: Fri, 29 Dec 2023 18:20:02 +0100
Subject: [PATCH 1/2] Downgrade CI

---
 .github/workflows/Downgrade.yml | 29 ++++++++++++++++++++++++++
 Project.toml                    |  4 ++--
 test/runtests.jl                | 36 ++++++++++++++++-----------------
 3 files changed, 48 insertions(+), 21 deletions(-)
 create mode 100644 .github/workflows/Downgrade.yml

diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
new file mode 100644
index 0000000..01ff8ca
--- /dev/null
+++ b/.github/workflows/Downgrade.yml
@@ -0,0 +1,29 @@
+name: Downgrade
+on:
+  pull_request:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version: ['1']
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+      - uses: cjdoris/julia-downgrade-compat-action@v1
+#        if: ${{ matrix.version == '1.6' }}
+        with:
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
\ No newline at end of file
diff --git a/Project.toml b/Project.toml
index 043f496..0fbb8e0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,9 +13,9 @@ Aqua = "0.8"
 BenchmarkTools = "1"
 ExprTools = "0.1"
 SHA = "0.7"
-Serialization = "1"
+Serialization = "1.10"
 Test = "1"
-julia = "1.9"
+julia = "1.10"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
diff --git a/test/runtests.jl b/test/runtests.jl
index aaf0842..8ca2048 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -153,30 +153,28 @@ using RuntimeGeneratedFunctions
 f = @RuntimeGeneratedFunction(:(x -> x + y))
 end)
 
-# closures
-if VERSION >= v"1.7.0-DEV.351"
-    ex = :(x -> (y -> x + y))
-    @test @RuntimeGeneratedFunction(ex)(2)(3) === 5
 
-    ex = :(x -> (f(y::Int)::Float64 = x + y; f))
-    @test @RuntimeGeneratedFunction(ex)(2)(3) === 5.0
+ex = :(x -> (y -> x + y))
+@test @RuntimeGeneratedFunction(ex)(2)(3) === 5
 
-    ex = :(x -> function (y::Int)
-        return x + y
-    end)
-    @test @RuntimeGeneratedFunction(ex)(2)(3) === 5
+ex = :(x -> (f(y::Int)::Float64 = x + y; f))
+@test @RuntimeGeneratedFunction(ex)(2)(3) === 5.0
 
-    ex = :(x -> function f(y::Int)::UInt8
-        return x + y
-    end)
-    @test @RuntimeGeneratedFunction(ex)(2)(3) === 0x05
+ex = :(x -> function (y::Int)
+    return x + y
+end)
+@test @RuntimeGeneratedFunction(ex)(2)(3) === 5
 
-    ex = :(x -> sum(i^2 for i in 1:x))
-    @test @RuntimeGeneratedFunction(ex)(3) === 14
+ex = :(x -> function f(y::Int)::UInt8
+    return x + y
+end)
+@test @RuntimeGeneratedFunction(ex)(2)(3) === 0x05
 
-    ex = :(x -> [2i for i in 1:x])
-    @test @RuntimeGeneratedFunction(ex)(3) == [2, 4, 6]
-end
+ex = :(x -> sum(i^2 for i in 1:x))
+@test @RuntimeGeneratedFunction(ex)(3) === 14
+
+ex = :(x -> [2i for i in 1:x])
+@test @RuntimeGeneratedFunction(ex)(3) == [2, 4, 6]
 
 # Serialization
 

From cdb15cf19484deaa5570edd8076d69323c538aee Mon Sep 17 00:00:00 2001
From: Christopher Rackauckas <accounts@chrisrackauckas.com>
Date: Fri, 29 Dec 2023 19:10:42 -0500
Subject: [PATCH 2/2] Update runtests.jl

---
 test/runtests.jl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/runtests.jl b/test/runtests.jl
index 8ca2048..ca3bdff 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -58,9 +58,9 @@ t2 = @belapsed $f1($du, $u, $p, $t)
 t3 = @belapsed $f2($du, $u, $p, $t)
 t4 = @belapsed $f3($du, $u, $p, $t)
 
-@test t1≈t2 atol=3e-9
-@test t1≈t3 atol=3e-9
-@test t1≈t4 atol=3e-9
+@test t1≈t2 atol=3e-8
+@test t1≈t3 atol=3e-8
+@test t1≈t4 atol=3e-8
 
 function no_worldage()
     ex = :(function f(_du, _u, _p, _t)