From 82d6e79cfe857abd70e45210e86f58b6eeef4d35 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Sat, 8 Feb 2020 00:27:24 +0100
Subject: [PATCH] Add desc to `specialization_graph_of` query

---
 src/librustc/query/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/librustc/query/mod.rs b/src/librustc/query/mod.rs
index 7cb1f3aa0e85..425f14a5740d 100644
--- a/src/librustc/query/mod.rs
+++ b/src/librustc/query/mod.rs
@@ -647,7 +647,8 @@ rustc_queries! {
         query trait_impls_of(key: DefId) -> &'tcx ty::trait_def::TraitImpls {
             desc { |tcx| "trait impls of `{}`", tcx.def_path_str(key) }
         }
-        query specialization_graph_of(_: DefId) -> &'tcx specialization_graph::Graph {
+        query specialization_graph_of(key: DefId) -> &'tcx specialization_graph::Graph {
+            desc { |tcx| "building specialization graph of trait `{}`", tcx.def_path_str(key) }
             cache_on_disk_if { true }
         }
         query is_object_safe(key: DefId) -> bool {