1 files changed, 15 insertions, 0 deletions
diff --git a/tests/codegen-llvm/unwind-extern-exports.rs b/tests/codegen-llvm/unwind-extern-exports.rs
new file mode 100644
index 00000000000..e692fd1a547
--- /dev/null
+++ b/tests/codegen-llvm/unwind-extern-exports.rs
@@ -0,0 +1,15 @@
+//@ compile-flags: -C opt-level=0
+//@ needs-unwind
+
+#![crate_type = "lib"]
+
+// 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() {}