1 files changed, 24 insertions, 0 deletions
diff --git a/test/SemaCXX/coroutine-unhandled_exception-warning.cpp b/test/SemaCXX/coroutine-unhandled_exception-warning.cpp
new file mode 100644
index 0000000000000..f98e00d1a7092
--- /dev/null
+++ b/test/SemaCXX/coroutine-unhandled_exception-warning.cpp
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -std=c++14 -fcoroutines-ts -fsyntax-only -Wignored-qualifiers -Wno-error=return-type -verify -fblocks -Wno-unreachable-code -Wno-unused-value
+
+#if __has_feature(cxx_exceptions)
+#error This test requires exceptions be disabled
+#endif
+
+#include "Inputs/std-coroutine.h"
+
+using std::experimental::suspend_always;
+using std::experimental::suspend_never;
+
+struct promise_void {
+  void get_return_object();
+  suspend_always initial_suspend();
+  suspend_always final_suspend();
+  void return_void();
+};
+
+template <typename... T>
+struct std::experimental::coroutine_traits<void, T...> { using promise_type = promise_void; };
+
+void test0() { // expected-warning {{'promise_void' is required to declare the member 'unhandled_exception()' when exceptions are enabled}}
+  co_return;
+}