Check the correct trait when checking ConstParamTy impls

WaffleLapkin · WaffleLapkin · commit 1c544108b1e1 · 2023-04-27T15:46:23.000Z
diff --git 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)?;
 

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ pub fn type_allowed_to_implement_const_param_ty<'tcx>(`
`107`	`107`	`adt,`
`108`	`108`	`substs,`
`109`	`109`	`parent_cause,`
`110`		`- hir::LangItem::Copy,`
	`110`	`+ hir::LangItem::ConstParamTy,`
`111`	`111`	`)`
`112`	`112`	`.map_err(ConstParamTyImplementationError::InfrigingFields)?;`
`113`	`113`