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-rw-r--r--tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs
index d70377a20..c04e96c56 100644
--- a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs
+++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs
@@ -14,6 +14,7 @@ impl Eq for Union {}
impl std::marker::StructuralEq for Union {}
impl std::marker::ConstParamTy for Union {}
+//~^ ERROR the type `Union` does not `#[derive(PartialEq)]`
#[derive(std::marker::ConstParamTy)]
//~^ ERROR this trait cannot be derived for unions