1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs b/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs
new file mode 100644
index 000000000..dadf4b121
--- /dev/null
+++ b/src/test/ui/unwind-abis/ffi-unwind-calls-lint.rs
@@ -0,0 +1,27 @@
+// build-pass
+// needs-unwind
+// ignore-wasm32-bare compiled with panic=abort by default
+
+#![feature(c_unwind)]
+#![warn(ffi_unwind_calls)]
+
+mod foo {
+    #[no_mangle]
+    pub extern "C-unwind" fn foo() {}
+}
+
+extern "C-unwind" {
+    fn foo();
+}
+
+fn main() {
+    // Call to Rust function is fine.
+    foo::foo();
+    // Call to foreign function should warn.
+    unsafe { foo(); }
+    //~^ WARNING call to foreign function with FFI-unwind ABI
+    let ptr: extern "C-unwind" fn() = foo::foo;
+    // Call to function pointer should also warn.
+    ptr();
+    //~^ WARNING call to function pointer with FFI-unwind ABI
+}