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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -fdump-tree-objsz1-details" } */
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3 // { dg-skip-if "packed attribute missing for drone_source_packet" { "epiphany-*-*" } }
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4
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5 typedef struct {
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6 char sentinel[4];
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7 char data[0];
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8 } drone_packet;
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9 typedef struct {
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10 char type_str[16];
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11 char channel_hop;
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12 } drone_source_packet;
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13 drone_packet *
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14 foo(char *x)
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15 {
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16 drone_packet *dpkt = __builtin_malloc(sizeof(drone_packet)
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17 + sizeof(drone_source_packet));
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18 drone_source_packet *spkt = (drone_source_packet *) dpkt->data;
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19 __builtin___snprintf_chk (spkt->type_str, 16,
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20 1, __builtin_object_size (spkt->type_str, 1),
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21 "%s", x);
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22 return dpkt;
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23 }
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24
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25 /* { dg-final { scan-tree-dump "maximum object size 21" "objsz1" } } */
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26 /* { dg-final { scan-tree-dump "maximum subobject size 16" "objsz1" } } */
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