diff --git a/src/test/ui/rfc1598-generic-associated-types/parse/in-trait-impl.rs b/src/test/ui/rfc1598-generic-associated-types/parse/in-trait-impl.rs
new file mode 100644
index 000000000000..bb4a285ec71e
--- /dev/null
+++ b/src/test/ui/rfc1598-generic-associated-types/parse/in-trait-impl.rs
@@ -0,0 +1,19 @@
+// Copyright 2012 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.
+
+// compile-flags: -Zparse-only
+
+#![feature(generic_associated_types)]
+
+impl<T> Baz for T where T: Foo {
+    type Quux<'a> = <T as Foo>::Bar<'a, 'static>;
+}
+
+fn main() {}
diff --git a/src/test/ui/rfc1598-generic-associated-types/parse/in-trait.rs b/src/test/ui/rfc1598-generic-associated-types/parse/in-trait.rs
new file mode 100644
index 000000000000..3c3f20b9ff60
--- /dev/null
+++ b/src/test/ui/rfc1598-generic-associated-types/parse/in-trait.rs
@@ -0,0 +1,25 @@
+// Copyright 2012 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.
+
+// compile-flags: -Zparse-only
+
+#![feature(generic_associated_types)]
+
+trait Foo {
+    type Bar<'a>;
+    type Bar<'a, 'b>;
+    type Bar<'a, 'b,>;
+    type Bar<'a, 'b, T>;
+    type Bar<'a, 'b, T, U>;
+    type Bar<'a, 'b, T, U,>;
+    type Bar<'a, 'b, T: Debug, U,>;
+}
+
+fn main() {}