diff --git a/tests/ui/enum/enum_u8_variant.rs b/tests/ui/enum/enum_u8_variant.rs
index 1242a9e2b5c0..67ea59085a94 100644
--- a/tests/ui/enum/enum_u8_variant.rs
+++ b/tests/ui/enum/enum_u8_variant.rs
@@ -1,4 +1,6 @@
 //@ run-pass
+//Test that checks pattern matching works correctly on a repr(u8) enum whose only variant contains an inner 'u8' field
+//https://github.com/rust-lang/rust/issues/34571
 #[repr(u8)]
 enum Foo {
     Foo(#[allow(dead_code)] u8),