From b7cc99142ad0cfe47e2fe9f7a82eaf5b672c0573 Mon Sep 17 00:00:00 2001
From: Michael Woerister <michaelwoerister@posteo>
Date: Thu, 7 Oct 2021 11:29:01 +0200
Subject: Turn tcx.vtable_allocation() into a query.

---
 compiler/rustc_query_impl/src/keys.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'compiler/rustc_query_impl')

diff --git a/compiler/rustc_query_impl/src/keys.rs b/compiler/rustc_query_impl/src/keys.rs
index 563a3cf1438..34489287596 100644
--- a/compiler/rustc_query_impl/src/keys.rs
+++ b/compiler/rustc_query_impl/src/keys.rs
@@ -72,6 +72,17 @@ impl<'tcx> Key for mir::interpret::GlobalId<'tcx> {
     }
 }
 
+impl<'tcx> Key for (Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>) {
+    #[inline(always)]
+    fn query_crate_is_local(&self) -> bool {
+        true
+    }
+
+    fn default_span(&self, _: TyCtxt<'_>) -> Span {
+        DUMMY_SP
+    }
+}
+
 impl<'tcx> Key for mir::interpret::LitToConstInput<'tcx> {
     #[inline(always)]
     fn query_crate_is_local(&self) -> bool {
-- 
cgit 1.4.1-3-g733a5