From 17f8361a38c16c71d1c5d30d3a900a931477659a Mon Sep 17 00:00:00 2001
From: Pavel Grigorenko <GrigorenkoPV@ya.ru>
Date: Fri, 26 Jul 2024 22:11:16 +0300
Subject: [PATCH] rustc_type_ir: derive Debug for UnevaluatedConst

---
 compiler/rustc_type_ir/src/const_kind.rs | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/compiler/rustc_type_ir/src/const_kind.rs b/compiler/rustc_type_ir/src/const_kind.rs
index adfbddf0009bb..76b70e4ad443f 100644
--- a/compiler/rustc_type_ir/src/const_kind.rs
+++ b/compiler/rustc_type_ir/src/const_kind.rs
@@ -59,7 +59,7 @@ impl<I: Interner> fmt::Debug for ConstKind<I> {
 }
 
 /// An unevaluated (potentially generic) constant used in the type-system.
-#[derive_where(Clone, Copy, Hash, PartialEq, Eq; I: Interner)]
+#[derive_where(Clone, Copy, Debug, Hash, PartialEq, Eq; I: Interner)]
 #[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)]
 #[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))]
 pub struct UnevaluatedConst<I: Interner> {
@@ -74,15 +74,6 @@ impl<I: Interner> UnevaluatedConst<I> {
     }
 }
 
-impl<I: Interner> fmt::Debug for UnevaluatedConst<I> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("UnevaluatedConst")
-            .field("def", &self.def)
-            .field("args", &self.args)
-            .finish()
-    }
-}
-
 rustc_index::newtype_index! {
     /// A **`const`** **v**ariable **ID**.
     #[encodable]