1 files changed, 13 insertions, 0 deletions
diff --git a/tests/pretty/hir-fn-variadic.rs b/tests/pretty/hir-fn-variadic.rs
new file mode 100644
index 000000000..efb2754df
--- /dev/null
+++ b/tests/pretty/hir-fn-variadic.rs
@@ -0,0 +1,13 @@
+// pretty-compare-only
+// pretty-mode:hir
+// pp-exact:hir-fn-variadic.pp
+
+#![feature(c_variadic)]
+
+extern "C" {
+    pub fn foo(x: i32, va1: ...);
+}
+
+pub unsafe extern "C" fn bar(_: i32, mut va2: ...) -> usize {
+    va2.arg::<usize>()
+}