From 22e3a8506f6d8ac9457214caf69de775c36b94ec Mon Sep 17 00:00:00 2001
From: Eric Holk <eric.holk@gmail.com>
Date: Tue, 24 Jul 2012 14:55:38 -0700
Subject: [PATCH] Test case for #3005

---
 src/test/auxiliary/cci_intrinsic.rs       | 19 +++++++++++++++++++
 src/test/run-pass/intrinsic-atomics-cc.rs | 13 +++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 src/test/auxiliary/cci_intrinsic.rs
 create mode 100644 src/test/run-pass/intrinsic-atomics-cc.rs

diff --git a/src/test/auxiliary/cci_intrinsic.rs b/src/test/auxiliary/cci_intrinsic.rs
new file mode 100644
index 00000000000..886a8d1bfe1
--- /dev/null
+++ b/src/test/auxiliary/cci_intrinsic.rs
@@ -0,0 +1,19 @@
+#[abi = "rust-intrinsic"]
+extern mod rusti {
+    fn atomic_xchng(&dst: int, src: int) -> int;
+    fn atomic_xchng_acq(&dst: int, src: int) -> int;
+    fn atomic_xchng_rel(&dst: int, src: int) -> int;
+    
+    fn atomic_add(&dst: int, src: int) -> int;
+    fn atomic_add_acq(&dst: int, src: int) -> int;
+    fn atomic_add_rel(&dst: int, src: int) -> int;
+    
+    fn atomic_sub(&dst: int, src: int) -> int;
+    fn atomic_sub_acq(&dst: int, src: int) -> int;
+    fn atomic_sub_rel(&dst: int, src: int) -> int;
+}
+
+#[inline(always)]
+fn atomic_xchng(&dst: int, src: int) -> int {
+    rusti::atomic_xchng(dst, src)
+}
\ No newline at end of file
diff --git a/src/test/run-pass/intrinsic-atomics-cc.rs b/src/test/run-pass/intrinsic-atomics-cc.rs
new file mode 100644
index 00000000000..f3649122db7
--- /dev/null
+++ b/src/test/run-pass/intrinsic-atomics-cc.rs
@@ -0,0 +1,13 @@
+// xfail-fast - check-fast doesn't understand aux-build
+// aux-build:cci_intrinsic.rs
+
+// xfail-check
+
+use cci_intrinsic;
+import cci_intrinsic::atomic_xchng;
+
+fn main() {
+    let mut x = 1;
+    atomic_xchng(x, 5);
+    assert x == 5;
+}