make generated source code no_std
PiperOrigin-RevId: 513916441
diff --git a/rs_bindings_from_cc/test/golden/clang_attrs_rs_api.rs b/rs_bindings_from_cc/test/golden/clang_attrs_rs_api.rs
index 4948c4c..1e9e398 100644
--- a/rs_bindings_from_cc/test/golden/clang_attrs_rs_api.rs
+++ b/rs_bindings_from_cc/test/golden/clang_attrs_rs_api.rs
@@ -9,6 +9,7 @@
#![rustfmt::skip]
#![feature(custom_inner_attributes, negative_impls, type_alias_impl_trait)]
#![allow(stable_features)]
+#![no_std]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#![allow(non_upper_case_globals)]
