1 struct C
2 {
3   unsigned int c;
4   struct D
5   {
6     unsigned int columns : 4;
7     unsigned int fore : 12;
8     unsigned int back : 6;
9     unsigned int fragment : 1;
10     unsigned int standout : 1;
11     unsigned int underline : 1;
12     unsigned int strikethrough : 1;
13     unsigned int reverse : 1;
14     unsigned int blink : 1;
15     unsigned int half : 1;
16     unsigned int bold : 1;
17     unsigned int invisible : 1;
18     unsigned int pad : 1;
19   } attr;
20 };
21 
22 struct A
23 {
24   struct C *data;
25   unsigned int len;
26 };
27 
28 struct B
29 {
30   struct A *cells;
31   unsigned char soft_wrapped : 1;
32 };
33 
34 struct E
35 {
36   long row, col;
37   struct C defaults;
38 };
39 
40 __attribute__ ((noinline))
foo(struct E * screen,unsigned int c,int columns,struct B * row)41 void foo (struct E *screen, unsigned int c, int columns, struct B *row)
42 {
43   struct D attr;
44   long col;
45   int i;
46   col = screen->col;
47   attr = screen->defaults.attr;
48   attr.columns = columns;
49   row->cells->data[col].c = c;
50   row->cells->data[col].attr = attr;
51   col++;
52   attr.fragment = 1;
53   for (i = 1; i < columns; i++)
54     {
55       row->cells->data[col].c = c;
56       row->cells->data[col].attr = attr;
57       col++;
58     }
59 }
60 
61 int
main(void)62 main (void)
63 {
64   struct E e = {.row = 5,.col = 0,.defaults =
65       {6, {-1, -1, -1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0}} };
66   struct C c[4];
67   struct A a = { c, 4 };
68   struct B b = { &a, 1 };
69   struct D d;
70   __builtin_memset (&c, 0, sizeof c);
71   foo (&e, 65, 2, &b);
72   d = e.defaults.attr;
73   d.columns = 2;
74   if (__builtin_memcmp (&d, &c[0].attr, sizeof d))
75     __builtin_abort ();
76   d.fragment = 1;
77   if (__builtin_memcmp (&d, &c[1].attr, sizeof d))
78     __builtin_abort ();
79   return 0;
80 }
81 
82