--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pack-test-5.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,22 @@
+/* PR c/11446: packed on a struct takes precedence over aligned on the type
+   of a field.  */
+/* { dg-do run } */
+/* { dg-additional-options "-mno-ms-bitfields" { target *-*-mingw* } } */
+
+extern void abort (void);
+
+struct A {
+  double d;
+} __attribute__ ((aligned));
+
+struct B {
+  char c;
+  struct A a;
+} __attribute__ ((packed));
+
+int main ()
+{
+  if (sizeof (struct B) != sizeof (char) + sizeof (struct A))
+    abort ();
+  return 0;
+}