diff --git a/src/test/run-pass/issue-5917.rs b/src/test/run-pass/issue-5917.rs
new file mode 100644
index 00000000000..fb6a06875b1
--- /dev/null
+++ b/src/test/run-pass/issue-5917.rs
@@ -0,0 +1,19 @@
+// Copyright 2013 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.
+
+// xfail-test
+
+use std::io;
+
+struct T (&'static [int]);
+static t : T = T (&'static [5, 4, 3]);
+fn main () {
+    assert_eq!(t[0], 5);
+}
\ No newline at end of file
diff --git a/src/test/run-pass/issue-6470.rs b/src/test/run-pass/issue-6470.rs
new file mode 100644
index 00000000000..73d0e181da0
--- /dev/null
+++ b/src/test/run-pass/issue-6470.rs
@@ -0,0 +1,25 @@
+// Copyright 2013 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.
+
+// xfail-test
+
+pub mod Bar {
+    pub struct Foo {
+        v: int,
+    }
+
+    extern {
+        #[rust_stack]
+        pub fn foo(v: *Foo) -> Foo;
+    }
+}
+
+fn main() { }
+