1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/generic-no-mangle.rs b/src/test/ui/compile-fail-migration/generic-no-mangle.rs
new file mode 100644
index 00000000000..2b4c94d281f
--- /dev/null
+++ b/src/test/ui/compile-fail-migration/generic-no-mangle.rs
@@ -0,0 +1,25 @@
+// 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.
+
+#![deny(no_mangle_generic_items)]
+
+#[no_mangle]
+pub fn foo<T>() {} //~ ERROR functions generic over types must be mangled
+
+#[no_mangle]
+pub extern fn bar<T>() {} //~ ERROR functions generic over types must be mangled
+
+#[no_mangle]
+pub fn baz(x: &i32) -> &i32 { x }
+
+#[no_mangle]
+pub fn qux<'a>(x: &'a i32) -> &i32 { x }
+
+fn main() {}