1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/traits/trait-cache-issue-18209.rs b/src/test/ui/run-pass/traits/trait-cache-issue-18209.rs
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index 00000000000..9cc2b2fadc6
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+++ b/src/test/ui/run-pass/traits/trait-cache-issue-18209.rs
@@ -0,0 +1,29 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Test that the cache results from the default method do not pollute
+// the cache for the later call in `load()`.
+//
+// See issue #18209.
+
+// pretty-expanded FIXME #23616
+
+pub trait Foo {
+    fn load_from() -> Box<Self>;
+    fn load() -> Box<Self> {
+        Foo::load_from()
+    }
+}
+
+pub fn load<M: Foo>() -> Box<M> {
+    Foo::load()
+}
+
+fn main() { }