1 files changed, 3 insertions, 0 deletions

diff --git a/crates/ide/src/syntax_highlighting/tests.rs b/crates/ide/src/syntax_highlighting/tests.rs
index 8c8878d36..9ce26e930 100644
--- a/crates/ide/src/syntax_highlighting/tests.rs
+++ b/crates/ide/src/syntax_highlighting/tests.rs
@@ -219,6 +219,9 @@ async fn async_main() {
     let f2 = dance();
     futures::join!(f1, f2);
 }
+
+unsafe trait Dangerous {}
+impl Dangerous for () {}
 "#
         .trim(),
         expect_file!["./test_data/highlighting.html"],