From b9d014b73adc34c9c19c0f6a5ae13998e46fbb6e Mon Sep 17 00:00:00 2001
From: Simonas Kazlauskas <git@kazlauskas.me>
Date: Thu, 26 May 2016 02:48:25 +0300
Subject: [PATCH] Add a regression test

---
 .../run-pass/foreign-truncated-arguments.rs   | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/test/run-pass/foreign-truncated-arguments.rs

diff --git a/src/test/run-pass/foreign-truncated-arguments.rs b/src/test/run-pass/foreign-truncated-arguments.rs
new file mode 100644
index 00000000000..a983a4a9598
--- /dev/null
+++ b/src/test/run-pass/foreign-truncated-arguments.rs
@@ -0,0 +1,29 @@
+// Copyright 2016 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.
+
+// compile-flags: -O
+// Regression test for https://github.com/rust-lang/rust/issues/33868
+
+#[repr(C)]
+pub struct S {
+    a: u32,
+    b: f32,
+    c: u32
+}
+
+#[no_mangle]
+#[inline(never)]
+pub extern "C" fn test(s: S) -> u32 {
+    s.c
+}
+
+fn main() {
+    assert_eq!(test(S{a: 0, b: 0.0, c: 42}), 42);
+}
-- 
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