diff --git a/test/CodeGenCoroutines/Inputs/coroutine.h b/test/CodeGenCoroutines/Inputs/coroutine.h
index 581c716..7c2d363 100644
--- a/test/CodeGenCoroutines/Inputs/coroutine.h
+++ b/test/CodeGenCoroutines/Inputs/coroutine.h
@@ -67,9 +67,9 @@
   }
 
 struct suspend_always {
-  bool await_ready() { return false; }
-  void await_suspend(coroutine_handle<>) {}
-  void await_resume() {}
+  bool await_ready() noexcept { return false; }
+  void await_suspend(coroutine_handle<>) noexcept {}
+  void await_resume() noexcept {}
 };
 struct suspend_never {
   bool await_ready() noexcept { return true; }