From 1c544108b1e10124b3a9f45a68c1cb36c1c45e90 Mon Sep 17 00:00:00 2001
From: Maybe Waffle <waffle.lapkin@gmail.com>
Date: Thu, 23 Feb 2023 11:54:09 +0000
Subject: [PATCH] Check the correct trait when checking `ConstParamTy` impls

---
 compiler/rustc_trait_selection/src/traits/misc.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_trait_selection/src/traits/misc.rs b/compiler/rustc_trait_selection/src/traits/misc.rs
index 3c43758e50d..cb8f64dd2e8 100644
--- a/compiler/rustc_trait_selection/src/traits/misc.rs
+++ b/compiler/rustc_trait_selection/src/traits/misc.rs
@@ -107,7 +107,7 @@ pub fn type_allowed_to_implement_const_param_ty<'tcx>(
         adt,
         substs,
         parent_cause,
-        hir::LangItem::Copy,
+        hir::LangItem::ConstParamTy,
     )
     .map_err(ConstParamTyImplementationError::InfrigingFields)?;