gcc/testsuite/gcc.target/i386/pr71801.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -g" } */
   3
   4 struct {
   5   char uuid[16];
   6 } c;
   7 struct {
   8   int s_uuid[6];
   9 } a, b;
  10 int bar (void);
  11 static int get_label_uuid(char *p1) {
  12   __builtin_memcpy(p1, a.s_uuid, sizeof(a));
  13   if (bar())
  14     __builtin_memcpy(p1, b.s_uuid, sizeof(b));
  15   return 0;
  16 }
  17 void uuidcache_addentry(char *p1) { __builtin_memcpy(&c, p1, sizeof(c)); }
  18 void uuidcache_init() {
  19   char d[1];
  20   get_label_uuid(d);
  21   uuidcache_addentry(d);
  22 }