From 78810c23751b44a7f3403663e213c3da25a30eb6 Mon Sep 17 00:00:00 2001
From: Billy Moses <wmoses@google.com>
Date: Wed, 16 Oct 2024 17:46:49 -0500
Subject: [PATCH] Improve newstructt err

---
 src/jlrt.jl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/jlrt.jl b/src/jlrt.jl
index 70b6fb2ad3..8338986e19 100644
--- a/src/jlrt.jl
+++ b/src/jlrt.jl
@@ -285,7 +285,9 @@ end
 
 function val_from_byref_if_mixed(B::LLVM.IRBuilder, @nospecialize(oval::LLVM.Value), @nospecialize(val::LLVM.Value))
     legal, TT, _ = abs_typeof(oval)
-    @assert legal
+    if !legal
+        throw(AssertionError("Could not determine type of value within jl_newstructt arg: $(string(oval))"))
+    end
     world = enzyme_extract_world(LLVM.parent(position(B)))
     act = active_reg_inner(TT, (), world)
     if act == ActiveState || act == MixedState
@@ -330,4 +332,4 @@ function byref_from_val_if_mixed(B::LLVM.IRBuilder, @nospecialize(val::LLVM.Valu
     else
         return val
     end
-end
\ No newline at end of file
+end