16   int  f1;  member
19 extern int a1_1[offsetof(struct s1, f1) == 2 ? 1 : -1];
25   double f1;  member
28 extern int a2_1[offsetof(struct s2, f1) == 2 ? 1 : -1];
34   v4f_t f1;  member
37 extern int a3_1[offsetof(struct s3, f1) == 2 ? 1 : -1];
43   char f1;  member
46 extern int a4_1[offsetof(struct s4, f1) == 1 ? 1 : -1];
52   unsigned f1 : 9;  member
81   char f1;  member
94   v2f_t f1;  member
97 extern int a11_1[offsetof(struct s11, f1) == 2 ? 1 : -1];
107     int  f1;  in f12()  member