From 7fcf59f19e711b89285505785f97dd57f80cbe2e Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Sat, 30 Jan 2021 14:19:13 +0100
Subject: [PATCH] Add print on panic for predefining of a function

---
 src/driver/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/driver/mod.rs b/src/driver/mod.rs
index 752c3f747d5..2497f9dfdfb 100644
--- a/src/driver/mod.rs
+++ b/src/driver/mod.rs
@@ -51,6 +51,7 @@ fn predefine_mono_items<'tcx>(
             match mono_item {
                 MonoItem::Fn(instance) => {
                     let name = cx.tcx.symbol_name(instance).name.to_string();
+                    let _inst_guard = crate::PrintOnPanic(|| format!("{:?} {}", instance, name));
                     let sig = get_function_sig(cx.tcx, cx.module.isa().triple(), instance);
                     let linkage = crate::linkage::get_clif_linkage(mono_item, linkage, visibility);
                     cx.module.declare_function(&name, linkage, &sig).unwrap();