1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/abi/extern/extern-crosscrate.rs b/tests/ui/abi/extern/extern-crosscrate.rs
new file mode 100644
index 000000000..123ce20ca
--- /dev/null
+++ b/tests/ui/abi/extern/extern-crosscrate.rs
@@ -0,0 +1,21 @@
+// run-pass
+// aux-build:extern-crosscrate-source.rs
+// ignore-wasm32-bare no libc to test ffi with
+
+#![feature(rustc_private)]
+
+extern crate externcallback;
+extern crate libc;
+
+fn fact(n: libc::uintptr_t) -> libc::uintptr_t {
+    unsafe {
+        println!("n = {}", n);
+        externcallback::rustrt::rust_dbg_call(externcallback::cb, n)
+    }
+}
+
+pub fn main() {
+    let result = fact(10);
+    println!("result = {}", result);
+    assert_eq!(result, 3628800);
+}