From ede41ab4d6dbd56f62021c4951fea8f3278e5030 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20K=C3=A5re=20Alsaker?= <john.kare.alsaker@gmail.com>
Date: Wed, 26 Jun 2019 10:16:56 +0200
Subject: [PATCH] Keep caching for non-promoted queries

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

diff --git a/src/librustc/query/mod.rs b/src/librustc/query/mod.rs
index 74114533faa..d2082ab87e7 100644
--- a/src/librustc/query/mod.rs
+++ b/src/librustc/query/mod.rs
@@ -496,6 +496,7 @@ rustc_queries! {
         query symbol_name(key: ty::Instance<'tcx>) -> ty::SymbolName {
             no_force
             desc { "computing the symbol for `{}`", key }
+            cache_on_disk_if { true }
         }
 
         query def_kind(_: DefId) -> Option<DefKind> {}
@@ -562,6 +563,7 @@ rustc_queries! {
             key: (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)
         ) -> Vtable<'tcx, ()> {
             no_force
+            cache_on_disk_if { true }
             desc { |tcx|
                 "checking if `{}` fulfills its obligations",
                 tcx.def_path_str(key.1.def_id())