From d4faaeb63b8381532dcff9cf11de3aa51b5fc9c8 Mon Sep 17 00:00:00 2001
From: Brian Chen <ToucheSir@users.noreply.github.com>
Date: Sat, 25 Feb 2023 20:07:39 -0800
Subject: [PATCH 1/3] Don't use zerolike fallback for GlobalRefs

This was causing UndefRefErrors on nightly.
---
 src/forward/lib.jl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/forward/lib.jl b/src/forward/lib.jl
index a5518fd5d..fecbd90e2 100644
--- a/src/forward/lib.jl
+++ b/src/forward/lib.jl
@@ -9,6 +9,9 @@ end
 # TODO figure out why this made a test fail
 zerolike(x::Union{Module,Type}) = nothing
 
+# Required to not get an UndefRefError on 1.10
+zerolike(x::GlobalRef) = nothing
+
 # TODO: `@non_differentiable` and `@linear`
 
 @tangent zerolike(x) = zerolike(x), _ -> zerolike(x)

From eda7f3862ffd6d6c69c9ca935e82d0ada5009793 Mon Sep 17 00:00:00 2001
From: Brian Chen <ToucheSir@users.noreply.github.com>
Date: Sun, 26 Feb 2023 09:10:16 -0800
Subject: [PATCH 2/3] fix now passing backtrace test on nightly

---
 test/compiler.jl | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/test/compiler.jl b/test/compiler.jl
index 198ca2a29..a74da5433 100644
--- a/test/compiler.jl
+++ b/test/compiler.jl
@@ -17,8 +17,10 @@ trace_contains(st, func, file, line) = any(st) do fr
 end
 
 bad(x) = x
+const bad_def_line = (@__LINE__) + 1
 @adjoint bad(x) = x, Δ -> error("bad")
 
+const bad_call_line = (@__LINE__) + 3
 function badly(x)
   x = x + 1
   x = bad(x)
@@ -30,11 +32,11 @@ y, back = pullback(badly, 2)
 @test_throws Exception back(1)
 bt = try back(1) catch e stacktrace(catch_backtrace()) end
 
-@test trace_contains(bt, nothing, "compiler.jl", 20)
-if VERSION >= v"1.6-"
-  @test_broken trace_contains(bt, :badly, "compiler.jl", 24)
+@test trace_contains(bt, nothing, "compiler.jl", bad_def_line)
+if VERSION <= v"1.6-" || VERSION >= v"1.10-"
+  @test trace_contains(bt, :badly, "compiler.jl", bad_call_line)
 else
-  @test trace_contains(bt, :badly, "compiler.jl", 24)
+  @test_broken trace_contains(bt, :badly, "compiler.jl", bad_call_line)
 end
 
 # Type inference checks

From 14120e94e443aeb222df28328a08b75225f48976 Mon Sep 17 00:00:00 2001
From: Brian Chen <ToucheSir@users.noreply.github.com>
Date: Sun, 26 Feb 2023 14:30:41 -0800
Subject: [PATCH 3/3] more robust test for Pullback show

---
 test/compiler.jl | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/test/compiler.jl b/test/compiler.jl
index a74da5433..c9b091f78 100644
--- a/test/compiler.jl
+++ b/test/compiler.jl
@@ -83,10 +83,14 @@ y, back = @test_inferred pullback(((a,b),) -> a, (5, 10))
 
 # testcase for issue #808
 # testing that methods(Base.show) does not throw. Having something more specific would be too fragile
-buf = IOBuffer()
-Base.show(buf, methods(Base.show))
-str_repr = String(take!(buf))
-@test !isempty(str_repr)
+show_err = try
+  buf = IOBuffer()
+  Base.show(buf, methods(Base.show))
+  nothing
+catch ex
+  ex
+end
+@test show_err === nothing
 
 struct Funky
     x