From a7f2986e5d39dba805c1ca942df98ecc71f27734 Mon Sep 17 00:00:00 2001
From: Cody Tapscott <topolarity@tapscott.me>
Date: Thu, 31 Aug 2023 00:42:29 -0400
Subject: [PATCH] Fix `ZeroBundle` wrapping for GlobalRef PhiNode args

These are not legal to insert in-place. Thankfully, since these are just
constants anyway we can evaluate the result in-place.
---
 src/codegen/forward_demand.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/codegen/forward_demand.jl b/src/codegen/forward_demand.jl
index 632c0a09..7d0a85ee 100644
--- a/src/codegen/forward_demand.jl
+++ b/src/codegen/forward_demand.jl
@@ -262,7 +262,7 @@ function forward_diff_no_inf!(ir::IRCode, to_diff::Vector{Pair{SSAValue,Int}};
             return transform!(ir, arg, order, maparg)
         elseif isa(arg, GlobalRef)
             @assert isconst(arg)
-            return insert_node!(ir, ssa, NewInstruction(Expr(:call, ZeroBundle{order}, arg)))
+            return ZeroBundle{order}(getfield(arg.mod, arg.name))
         elseif isa(arg, QuoteNode)
             return ZeroBundle{order}(arg.value)
         end