11   int  f1;  member
13 extern int a0[offsetof(struct s0, f1) == 4 ? 1 : -1];
18   int  f1;  member
20 extern int a1[offsetof(struct s1, f1) == 2 ? 1 : -1];
26   int f1;  member
31   int f1;  member
33 extern int a3_0[offsetof(struct s3_0, f1) == 1 ? 1 : -1];
34 extern int a3_1[offsetof(struct s3_1, f1) == 4 ? 1 : -1];
40   int f1;  member
45   int f1;  member
47 extern int a4_0[offsetof(struct s4_0, f1) == 1 ? 1 : -1];
48 extern int a4_1[offsetof(struct s4_1, f1) == 4 ? 1 : -1];
56     } f1;  in f()  member
59   extern int s5_0[offsetof(struct s5_0, f1) == 2 ? 1 : -1];  in f()