1 files changed, 1 insertions, 0 deletions

diff --git a/crates/ra_parser/src/grammar/items/traits.rs b/crates/ra_parser/src/grammar/items/traits.rs
index f49615f6b..d03a6be0d 100644
--- a/crates/ra_parser/src/grammar/items/traits.rs
+++ b/crates/ra_parser/src/grammar/items/traits.rs
@@ -2,6 +2,7 @@ use super::*;
 
 // test trait_item
 // trait T<U>: Hash + Clone where U: Copy {}
+// trait X<U: Debug + Display>: Hash + Clone where U: Copy {}
 pub(super) fn trait_def(p: &mut Parser) {
     assert!(p.at(TRAIT_KW));
     p.bump();