gcc/testsuite/c-c++-common/pr51628-31.c

   1 /* PR c/51628.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O" } */
   4
   5 typedef int v4si __attribute__((vector_size(16)));
   6 struct X
   7 {
   8   v4si x;
   9 } __attribute__((packed)) x;
  10
  11 int *
  12 foo()
  13 {
  14   return &x.x[1];
  15 /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
  16 }