gcc/testsuite/gcc.dg/torture/pr26565.c

   1 /* { dg-do run } */
   2 /* m32c is already packed.  */
   3 /* { dg-skip-if "" { "m32c-*-*" } { "*" } { "" } } */
   4
   5 void *memcpy(void *dest, const void *src, __SIZE_TYPE__ n);
   6
   7 struct timeval {
   8     long tv_sec;
   9 };
  10
  11 struct outdata {
  12     long align;
  13     char seq;
  14     struct timeval tv __attribute__((packed)); /* { dg-warning "attribute ignored" "" { target default_packed } } */
  15 };
  16
  17 void send_probe(struct outdata *outdata, struct timeval *tp) __attribute__((noinline));
  18 void send_probe(struct outdata *outdata, struct timeval *tp)
  19 {
  20     memcpy(&outdata->tv, tp, sizeof outdata->tv);
  21 }
  22
  23 struct timeval t;
  24 struct outdata outdata;
  25
  26 int main()
  27 {
  28   send_probe(&outdata, &t);
  29   return 0;
  30 }