diff --git a/tests/ui/discriminant.stderr b/tests/ui/discriminant.stderr
index 719485b..9654884 100644
--- a/tests/ui/discriminant.stderr
+++ b/tests/ui/discriminant.stderr
@@ -6,14 +6,18 @@ error[E0552]: unrecognized representation hint
   |
   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
-error[E0732]: `#[repr(inttype)]` must be specified
+error[E0732]: `#[repr(inttype)]` must be specified for enums with explicit discriminants and non-unit variants
   --> tests/ui/discriminant.rs:12:1
    |
 12 | enum MissingIntegerRepr<T> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+13 |     A(PhantomData<T>) = 0,
+   |                         - explicit discriminant on non-unit variant specified here
 
-error[E0732]: `#[repr(inttype)]` must be specified
+error[E0732]: `#[repr(inttype)]` must be specified for enums with explicit discriminants and non-unit variants
   --> tests/ui/discriminant.rs:18:1
    |
 18 | enum MissingIntegerReprC<T> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+19 |     A(PhantomData<T>) = 0,
+   |                         - explicit discriminant on non-unit variant specified here