diff --git a/gcc/testsuite/rust/compile/extern_c_named_variadic.rs b/gcc/testsuite/rust/compile/extern_c_named_variadic.rs
new file mode 100644
index 00000000000..d4cf9549c23
--- /dev/null
+++ b/gcc/testsuite/rust/compile/extern_c_named_variadic.rs
@@ -0,0 +1,5 @@
+extern "C" {
+    fn variadic(x: isize, args: ...);
+}
+
+fn main() {}