1 files changed, 10 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-42453.rs b/src/test/ui/issues/issue-42453.rs
new file mode 100644
index 000000000..92fefceab
--- /dev/null
+++ b/src/test/ui/issues/issue-42453.rs
@@ -0,0 +1,10 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+
+#[derive(Debug)]
+struct builder;
+
+fn main() {
+
+}