--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-15-return-non-triv.C	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,51 @@
+//  { dg-do run }
+
+/* Check that we handle await_resume for a non-trivial type.  */
+
+#include "../coro.h"
+
+// boiler-plate for tests of codegen
+#include "../coro1-ret-int-yield-int.h"
+
+coro1
+f ()
+{
+  struct test {
+    int a;
+    ~test () {}
+  };
+  test input{5};
+  test res = co_await coro1::suspend_always_tmpl_awaiter<test>(input);
+  co_return res.a + 10;
+}
+
+int main ()
+{
+  PRINT ("main: create coro1");
+  struct coro1 f_coro = f ();
+
+  if (f_coro.handle.done())
+    {
+      PRINT ("main: we should not be 'done' [1]");
+      abort ();
+    }
+  PRINT ("main: resuming [1] initial suspend");
+  f_coro.handle.resume();
+  PRINT ("main: resuming [2] co_await suspend_always_tmpl_awaiter");
+  f_coro.handle.resume();
+
+  /* we should now have returned with the co_return (15) */
+  if (!f_coro.handle.done())
+    {
+      PRINT ("main: we should be 'done' ");
+      abort ();
+    }
+  int y = f_coro.handle.promise().get_value();
+  if (y != 15)
+    {
+      PRINTF ("main: y is wrong : %d, should be 15\n", y);
+      abort ();
+    }
+  PRINT ("main: done");
+  return 0;
+}