1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/typeck/return_type_containing_closure.rs b/src/test/ui/typeck/return_type_containing_closure.rs
new file mode 100644
index 000000000..29624e08a
--- /dev/null
+++ b/src/test/ui/typeck/return_type_containing_closure.rs
@@ -0,0 +1,10 @@
+#[allow(unused)]
+fn foo() { //~ HELP a return type might be missing here
+    vec!['a'].iter().map(|c| c)
+    //~^ ERROR mismatched types [E0308]
+    //~| NOTE expected `()`, found struct `Map`
+    //~| NOTE expected unit type `()`
+    //~| HELP consider using a semicolon here
+}
+
+fn main() {}