1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-objsz1-details" } */
3 // { dg-skip-if "packed attribute missing for drone_source_packet" { "epiphany-*-*" } }
4 
5 typedef struct {
6     char sentinel[4];
7     char data[0];
8 } drone_packet;
9 typedef struct {
10     char type_str[16];
11     char channel_hop;
12 } drone_source_packet;
13 drone_packet *
foo(char * x)14 foo(char *x)
15 {
16   drone_packet *dpkt = __builtin_malloc(sizeof(drone_packet)
17 					+ sizeof(drone_source_packet));
18   drone_source_packet *spkt = (drone_source_packet *) dpkt->data;
19   __builtin___snprintf_chk (spkt->type_str, 16,
20 			    1, __builtin_object_size (spkt->type_str, 1),
21 			    "%s", x);
22   return dpkt;
23 }
24 
25 /* { dg-final { scan-tree-dump "maximum object size 21" "objsz1" } } */
26 /* { dg-final { scan-tree-dump "maximum subobject size 16" "objsz1" } } */
27