1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/traits/mut-trait-in-struct-8249.rs b/tests/ui/traits/mut-trait-in-struct-8249.rs
new file mode 100644
index 00000000000..b6dcd848b8b
--- /dev/null
+++ b/tests/ui/traits/mut-trait-in-struct-8249.rs
@@ -0,0 +1,20 @@
+// https://github.com/rust-lang/rust/issues/8249
+//@ run-pass
+#![allow(dead_code)]
+
+trait A {
+    fn dummy(&self) { }
+}
+struct B;
+impl A for B {}
+
+struct C<'a> {
+    foo: &'a mut (dyn A+'a),
+}
+
+fn foo(a: &mut dyn A) {
+    C{ foo: a };
+}
+
+pub fn main() {
+}