From d1c8430a34c01a5db8d5339b8a9cffa8a41002be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20K=C3=A5re=20Alsaker?= <john.kare.alsaker@gmail.com>
Date: Sun, 26 Feb 2023 23:45:29 +0100
Subject: [PATCH] Derive Default for query structs

---
 compiler/rustc_query_impl/src/plumbing.rs | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs
index dfe172fc3ff9..005ce16dbb9b 100644
--- a/compiler/rustc_query_impl/src/plumbing.rs
+++ b/compiler/rustc_query_impl/src/plumbing.rs
@@ -462,18 +462,10 @@ macro_rules! define_queries {
             use std::marker::PhantomData;
 
             $(
-                #[derive(Copy, Clone)]
+                #[derive(Copy, Clone, Default)]
                 pub struct $name<'tcx> {
                     data: PhantomData<&'tcx ()>
                 }
-
-                impl Default for $name<'_> {
-                    fn default() -> Self {
-                        Self {
-                            data: PhantomData,
-                        }
-                    }
-                }
             )*
         }