1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/out-pointer-aliasing.rs b/src/test/ui/out-pointer-aliasing.rs
new file mode 100644
index 000000000..b28a09101
--- /dev/null
+++ b/src/test/ui/out-pointer-aliasing.rs
@@ -0,0 +1,23 @@
+// run-pass
+
+#[derive(Copy, Clone)]
+pub struct Foo {
+    f1: isize,
+    _f2: isize,
+}
+
+#[inline(never)]
+pub fn foo(f: &mut Foo) -> Foo {
+    let ret = *f;
+    f.f1 = 0;
+    ret
+}
+
+pub fn main() {
+    let mut f = Foo {
+        f1: 8,
+        _f2: 9,
+    };
+    f = foo(&mut f);
+    assert_eq!(f.f1, 8);
+}