1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/unsized-locals/unsized-exprs-rpass.rs b/src/test/ui/unsized-locals/unsized-exprs-rpass.rs
new file mode 100644
index 000000000..175b02fcb
--- /dev/null
+++ b/src/test/ui/unsized-locals/unsized-exprs-rpass.rs
@@ -0,0 +1,33 @@
+// run-pass
+#![allow(incomplete_features, unused_braces, unused_parens)]
+#![feature(unsized_tuple_coercion, unsized_locals, unsized_fn_params)]
+
+struct A<X: ?Sized>(#[allow(unused_tuple_struct_fields)] X);
+
+fn udrop<T: ?Sized>(_x: T) {}
+fn foo() -> Box<[u8]> {
+    Box::new(*b"foo")
+}
+fn tfoo() -> Box<(i32, [u8])> {
+    Box::new((42, *b"foo"))
+}
+fn afoo() -> Box<A<[u8]>> {
+    Box::new(A(*b"foo"))
+}
+
+impl std::ops::Add<i32> for A<[u8]> {
+    type Output = ();
+    fn add(self, _rhs: i32) -> Self::Output {}
+}
+
+fn main() {
+    udrop::<[u8]>(loop {
+        break *foo();
+    });
+    udrop::<[u8]>(if true { *foo() } else { *foo() });
+    udrop::<[u8]>({ *foo() });
+    udrop::<[u8]>((*foo()));
+    udrop::<[u8]>((*tfoo()).1);
+    *afoo() + 42;
+    udrop as fn([u8]);
+}