1 // PR c++/37146
2 // { dg-do run }
3
4 extern "C" void abort ();
5 int a, b;
6 struct A { int i:8; int j:8; int k:16; int l:32; } c;
7
8 void
f1(int x,int y)9 f1 (int x, int y)
10 {
11 (x ? a : b) = y;
12 }
13
14 void
f2(int x,int y)15 f2 (int x, int y)
16 {
17 (x ? c.i : c.j) = y;
18 }
19
20 void
f3(int x,int y)21 f3 (int x, int y)
22 {
23 (x ? c.i : a) = y;
24 }
25
26 void
f4(int x,int y)27 f4 (int x, int y)
28 {
29 (x ? c.i : c.k) = y;
30 }
31
32 void
f5(int x,int y)33 f5 (int x, int y)
34 {
35 (x ? c.l : b) = y;
36 }
37
38 #define CHECK(var, exp) \
39 do \
40 { \
41 if (var != exp) \
42 abort (); \
43 var = -1; \
44 if (a != -1 \
45 || b != -1 \
46 || c.i != -1 \
47 || c.j != -1 \
48 || c.k != -1 \
49 || c.l != -1) \
50 abort (); \
51 } \
52 while (0)
53
54 int
main()55 main ()
56 {
57 a = -1;
58 b = -1;
59 c.i = -1;
60 c.j = -1;
61 c.k = -1;
62 c.l = -1;
63 f1 (1, 264);
64 CHECK (a, 264);
65 f1 (0, 264);
66 CHECK (b, 264);
67 f2 (1, 112);
68 CHECK (c.i, 112);
69 f2 (0, 112);
70 CHECK (c.j, 112);
71 f3 (1, 26);
72 CHECK (c.i, 26);
73 f3 (0, 26);
74 CHECK (a, 26);
75 f4 (1, 107);
76 CHECK (c.i, 107);
77 f4 (0, 107);
78 CHECK (c.k, 107);
79 f5 (1, 95);
80 CHECK (c.l, 95);
81 f5 (0, 95);
82 CHECK (b, 95);
83 }
84