1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/codegen/unwind-extern-imports.rs b/src/test/codegen/unwind-extern-imports.rs
new file mode 100644
index 000000000..e33e3e805
--- /dev/null
+++ b/src/test/codegen/unwind-extern-imports.rs
@@ -0,0 +1,22 @@
+// compile-flags: -C no-prepopulate-passes
+// ignore-wasm32-bare compiled with panic=abort by default
+
+#![crate_type = "lib"]
+#![feature(c_unwind)]
+
+extern "C" {
+    // CHECK: Function Attrs:{{.*}}nounwind
+    // CHECK-NEXT: declare{{.*}}void @extern_fn
+    fn extern_fn();
+}
+
+extern "C-unwind" {
+    // CHECK-NOT: nounwind
+    // CHECK: declare{{.*}}void @c_unwind_extern_fn
+    fn c_unwind_extern_fn();
+}
+
+pub unsafe fn force_declare() {
+    extern_fn();
+    c_unwind_extern_fn();
+}