| /* PR c/51628. */ | |
| /* { dg-do run { target int128 } } */ | |
| /* { dg-options "-O2" } */ | |
| struct pair_t | |
| { | |
| char c; | |
| __int128_t i; | |
| } __attribute__ ((packed)); | |
| typedef struct unaligned_int128_t_ | |
| { | |
| __int128_t value; | |
| } __attribute__((packed, may_alias)) unaligned_int128_t; | |
| struct pair_t p = {0, 1}; | |
| unaligned_int128_t *addr = (unaligned_int128_t *) &p.i; | |
| int | |
| main() | |
| { | |
| addr->value = ~(__int128_t)0; | |
| return (p.i != 1) ? 0 : 1; | |
| } |