From 37d5c06a0d0d1658900636be8b66ccf4d9c4b23c Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonas@schievink.net>
Date: Mon, 11 Jul 2016 01:46:56 +0200
Subject: [PATCH] Don't register reads for external items

Presumably, this ICEs when translating an inlined item from another
crate. There shouldn't be a need to track dependencies in that case.
---
 src/librustc_trans/trans_item.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/librustc_trans/trans_item.rs b/src/librustc_trans/trans_item.rs
index aa0c8ba5528..ca24a270080 100644
--- a/src/librustc_trans/trans_item.rs
+++ b/src/librustc_trans/trans_item.rs
@@ -111,7 +111,12 @@ fn register_reads(&self, ccx: &CrateContext<'a, 'tcx>) {
                 tcx.map.local_def_id(node_id)
             }
             TransItem::Fn(instance) => {
-                instance.def
+                if instance.def.is_local() {
+                    instance.def
+                } else {
+                    // Translating an inlined item from another crate? Don't track anything.
+                    return;
+                }
             }
             TransItem::DropGlue(_) => {
                 // Nothing to track for drop glue
-- 
2.44.0