1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/single-use-lifetime/two-uses-in-trait-impl.rs b/src/test/ui/single-use-lifetime/two-uses-in-trait-impl.rs
new file mode 100644
index 000000000..16431a39f
--- /dev/null
+++ b/src/test/ui/single-use-lifetime/two-uses-in-trait-impl.rs
@@ -0,0 +1,22 @@
+// Test that we DO NOT warn for a lifetime on an impl used in both
+// header and in an associated type.
+//
+// check-pass
+
+#![deny(single_use_lifetimes)]
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+struct Foo<'f> {
+    data: &'f u32,
+}
+
+impl<'f> Iterator for Foo<'f> {
+    type Item = &'f u32;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        None
+    }
+}
+
+fn main() {}