1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/single-use-lifetime/one-use-in-struct.rs b/tests/ui/single-use-lifetime/one-use-in-struct.rs
new file mode 100644
index 00000000000..9cad942e7a2
--- /dev/null
+++ b/tests/ui/single-use-lifetime/one-use-in-struct.rs
@@ -0,0 +1,28 @@
+// Test that we do not warn for named lifetimes in structs,
+// even when they are only used once (since to not use a named
+// lifetime is illegal!)
+//
+// check-pass
+
+// Use forbid to verify that `automatically_derived` is handled correctly.
+#![forbid(single_use_lifetimes)]
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+struct Foo<'f> {
+    data: &'f u32,
+}
+
+enum Bar<'f> {
+    Data(&'f u32),
+}
+
+trait Baz<'f> {}
+
+// `Derive`d impls shouldn't trigger a warning, either (Issue #53738).
+#[derive(Debug)]
+struct Quux<'a> {
+    priors: &'a u32,
+}
+
+fn main() {}