gcc/testsuite/gcc.c-torture/compile/pr38505.c

   1 /* PR middle-end/38505 */
   2 /* { dg-do compile } */
   3
   4 struct S
   5 {
   6   unsigned short a[50];
   7   unsigned short b[20];
   8 };
   9 extern void bar (struct S *);
  10 extern void baz (unsigned short *);
  11 extern unsigned short d[];
  12
  13 void
  14 foo (void)
  15 {
  16   struct S s;
  17   unsigned short g[50];
  18
  19   baz (g);
  20   __builtin_memcpy (&s, g, sizeof (g));
  21   __builtin_memcpy (s.b, d, sizeof (s.b));
  22   bar (&s);
  23 }