1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/duplicate/dupe-symbols-3.rs b/tests/ui/duplicate/dupe-symbols-3.rs
new file mode 100644
index 000000000..1af2fe98e
--- /dev/null
+++ b/tests/ui/duplicate/dupe-symbols-3.rs
@@ -0,0 +1,14 @@
+// build-fail
+
+//
+#![crate_type="rlib"]
+#![allow(warnings)]
+
+#[export_name="fail"]
+pub fn a() {
+}
+
+#[no_mangle]
+pub fn fail() {
+//~^ symbol `fail` is already defined
+}