1 files changed, 16 insertions, 0 deletions
diff --git a/tests/codegen/unwind-extern-exports.rs b/tests/codegen/unwind-extern-exports.rs
new file mode 100644
index 000000000..6ac3c079f
--- /dev/null
+++ b/tests/codegen/unwind-extern-exports.rs
@@ -0,0 +1,16 @@
+// compile-flags: -C opt-level=0
+// ignore-wasm32-bare compiled with panic=abort by default
+
+#![crate_type = "lib"]
+#![feature(c_unwind)]
+
+// Make sure these all do *not* get the attribute.
+// We disable optimizations to prevent LLVM from inferring the attribute.
+// CHECK-NOT: nounwind
+
+// "C" ABI
+pub extern "C-unwind" fn foo_unwind() {}
+
+// "Rust"
+// (`extern "Rust"` could be removed as all `fn` get it implicitly; we leave it in for clarity.)
+pub fn bar() {}