1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/extern/auxiliary/extern_calling_convention.rs b/tests/ui/extern/auxiliary/extern_calling_convention.rs
new file mode 100644
index 000000000..e24cf9fda
--- /dev/null
+++ b/tests/ui/extern/auxiliary/extern_calling_convention.rs
@@ -0,0 +1,26 @@
+// Make sure Rust generates the correct calling convention for extern
+// functions.
+
+#[inline(never)]
+#[cfg(target_arch = "x86_64")]
+pub extern "win64" fn foo(a: isize, b: isize, c: isize, d: isize) {
+    assert_eq!(a, 1);
+    assert_eq!(b, 2);
+    assert_eq!(c, 3);
+    assert_eq!(d, 4);
+
+    println!("a: {}, b: {}, c: {}, d: {}",
+             a, b, c, d)
+}
+
+#[inline(never)]
+#[cfg(not(target_arch = "x86_64"))]
+pub extern "C" fn foo(a: isize, b: isize, c: isize, d: isize) {
+    assert_eq!(a, 1);
+    assert_eq!(b, 2);
+    assert_eq!(c, 3);
+    assert_eq!(d, 4);
+
+    println!("a: {}, b: {}, c: {}, d: {}",
+             a, b, c, d)
+}