1 files changed, 10 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-21332.rs b/tests/ui/issues/issue-21332.rs
new file mode 100644
index 000000000..6547f3a9b
--- /dev/null
+++ b/tests/ui/issues/issue-21332.rs
@@ -0,0 +1,10 @@
+struct S;
+
+impl Iterator for S {
+    type Item = i32;
+    fn next(&mut self) -> Result<i32, i32> { Ok(7) }
+    //~^ ERROR method `next` has an incompatible type for trait
+    //~| expected enum `Option`, found enum `Result`
+}
+
+fn main() {}