| extern void exit (int); |
| extern void abort (void); |
| |
| typedef union |
| { |
| struct |
| { |
| int f1, f2, f3, f4, f5, f6, f7, f8; |
| long int f9, f10; |
| int f11; |
| } f; |
| char s[56]; |
| long int a; |
| } T; |
| |
| __attribute__((noinline)) |
| void |
| test (T *t) |
| { |
| static int i = 11; |
| if (t->f.f1 != i++) |
| abort (); |
| if (t->f.f2 || t->f.f3 || t->f.f4 || t->f.f5 || t->f.f6 |
| || t->f.f7 || t->f.f8 || t->f.f9 || t->f.f10 || t->f.f11) |
| abort (); |
| if (i == 20) |
| exit (0); |
| } |
| |
| __attribute__((noinline)) |
| void |
| foo (int i) |
| { |
| T t; |
| again: |
| t = (T) { { ++i, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; |
| test (&t); |
| goto again; |
| } |
| |
| int |
| main (void) |
| { |
| T *t1, *t2; |
| int cnt = 0; |
| t1 = (T *) 0; |
| loop: |
| t2 = t1; |
| t1 = & (T) { .f.f9 = cnt++ }; |
| if (cnt < 3) |
| goto loop; |
| if (t1 != t2 || t1->f.f9 != 2) |
| abort (); |
| foo (10); |
| return 0; |
| } |