+struct tmp
+{
+ long long int pad : 12;
+ long long int field : 52;
+};
+
+struct tmp2
+{
+ long long int field : 52;
+ long long int pad : 12;
+};
+
+struct tmp
+sub (struct tmp tmp)
+{
+ tmp.field ^= 0x0008765412345678LL;
+ return tmp;
+}
+
+struct tmp2
+sub2 (struct tmp2 tmp2)
+{
+ tmp2.field ^= 0x0008765412345678LL;
+ return tmp2;
+}
+
+struct tmp tmp = {0x123, 0x123456789ABCDLL};
+struct tmp2 tmp2 = {0x123456789ABCDLL, 0x123};
+
+main()
+{
+
+ if (sizeof (long long) != 8)
+ exit (0);
+
+ tmp = sub (tmp);
+ tmp2 = sub2 (tmp2);
+
+ if (tmp.pad != 0x123 || tmp.field != 0xFFF9551175BDFDB5LL)
+ abort ();
+ if (tmp2.pad != 0x123 || tmp2.field != 0xFFF9551175BDFDB5LL)
+ abort ();
+ exit (0);
+}
+