--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/compat/struct-return-10_y.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,79 @@
+#include <stdarg.h>
+
+#include "compat-common.h"
+
+
+#include "fp2-struct-defs.h"
+#include "fp2-struct-init.h"
+
+#define T(TYPE)							\
+extern TYPE g01##TYPE, g02##TYPE, g03##TYPE, g04##TYPE;		\
+extern TYPE g05##TYPE, g06##TYPE, g07##TYPE, g08##TYPE;		\
+extern TYPE g09##TYPE, g10##TYPE, g11##TYPE, g12##TYPE;		\
+extern TYPE g13##TYPE, g14##TYPE, g15##TYPE, g16##TYPE;		\
+								\
+extern void check##TYPE (TYPE x, double y);			\
+								\
+void								\
+checkg##TYPE (void)						\
+{								\
+  check##TYPE (g01##TYPE,  1.0);					\
+  check##TYPE (g02##TYPE,  2.0);					\
+  check##TYPE (g03##TYPE,  3.0);					\
+  check##TYPE (g04##TYPE,  4.0);					\
+  check##TYPE (g05##TYPE,  5.0);					\
+  check##TYPE (g06##TYPE,  6.0);					\
+  check##TYPE (g07##TYPE,  7.0);					\
+  check##TYPE (g08##TYPE,  8.0);					\
+  check##TYPE (g09##TYPE,  9.0);					\
+  check##TYPE (g10##TYPE, 10.0);					\
+  check##TYPE (g11##TYPE, 11.0);					\
+  check##TYPE (g12##TYPE, 12.0);					\
+  check##TYPE (g13##TYPE, 13.0);					\
+  check##TYPE (g14##TYPE, 14.0);					\
+  check##TYPE (g15##TYPE, 15.0);					\
+  check##TYPE (g16##TYPE, 16.0);					\
+}								\
+								\
+TYPE								\
+test0##TYPE (void)						\
+{								\
+  return g01##TYPE;						\
+}								\
+								\
+TYPE								\
+test1##TYPE (TYPE x01)						\
+{								\
+  return x01;							\
+}								\
+								\
+TYPE								\
+testva##TYPE (int n, ...)					\
+{								\
+  int i;							\
+  TYPE rslt;							\
+  va_list ap;							\
+  if (1)							\
+    {								\
+      va_start (ap, n);						\
+      for (i = 0; i < n; i++)					\
+	{							\
+	  rslt = va_arg (ap, TYPE);				\
+	}							\
+      va_end (ap);						\
+    }								\
+  return rslt;							\
+}
+
+T(Sfd)
+T(Sfl)
+T(Sdf)
+T(Sdl)
+T(Slf)
+T(Sld)
+T(Sfdl)
+T(Sfld)
+T(Sdfl)
+T(Sdlf)
+T(Slfd)
+T(Sldf)