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-rw-r--r--src/test/ui/variance/variance-object-types.rs12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/variance/variance-object-types.rs b/src/test/ui/variance/variance-object-types.rs
new file mode 100644
index 000000000..6ded24cd1
--- /dev/null
+++ b/src/test/ui/variance/variance-object-types.rs
@@ -0,0 +1,12 @@
+#![feature(rustc_attrs)]
+
+
+// For better or worse, associated types are invariant, and hence we
+// get an invariant result for `'a`.
+#[rustc_variance]
+struct Foo<'a> { //~ ERROR [o]
+ x: Box<dyn Fn(i32) -> &'a i32 + 'static>
+}
+
+fn main() {
+}