--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/coroutines/torture/call-03-temp-ref-co-aw.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,72 @@
+// { dg-do run }
+
+// Check  foo (compiler temp, co_await).
+
+#include "../coro.h"
+
+// boiler-plate for tests of codegen
+#define USE_AWAIT_TRANSFORM
+#include "../coro1-ret-int-yield-int.h"
+
+int gX = 1;
+
+__attribute__((__noinline__))
+static int
+bar (int x, const int& y)
+{
+  return x + y;
+}
+
+/* Function with a compiler temporary and a co_await.  */
+coro1
+g ()
+{
+  gX = bar (gX + 8, co_await 2);
+  co_return gX + 31;
+}
+
+int main ()
+{
+  PRINT ("main: create coro1");
+  struct coro1 g_coro = g ();
+  PRINT ("main: got coro1 - checking gX");
+  if (gX != 1)
+    {
+      PRINTF ("main: gX is wrong : %d, should be 1\n", gX);
+      abort ();
+    }
+  if (g_coro.handle.done())
+    {
+      PRINT ("main: we should not be 'done' [1]");
+      abort ();
+    }
+
+  PRINT ("main: resuming [1] (initial suspend)");
+  g_coro.handle.resume();
+
+  PRINT ("main: resuming [2] (parm 1)");
+  g_coro.handle.resume();
+
+  if (gX != 11)
+    {
+      PRINTF ("main: gX is wrong : %d, should be 11\n", gX);
+      abort ();
+    }
+
+  /* we should now have returned with the co_return 11 + 31) */
+  if (!g_coro.handle.done())
+    {
+      PRINT ("main: we should be 'done'");
+      abort ();
+    }
+
+  int y = g_coro.handle.promise().get_value();
+  if (y != 42)
+    {
+      PRINTF ("main: y is wrong : %d, should be 42\n", y);
+      abort ();
+    }
+
+  puts ("main: done");
+  return 0;
+}
\ No newline at end of file