gcc/testsuite/c-c++-common/pr51628-27.c

   1 /* PR c/51628.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O" } */
   4
   5 struct A { int i; } __attribute__ ((packed));
   6 struct B { struct A a; };
   7 struct C { struct B b; };
   8
   9 extern struct C *p;
  10
  11 int* g8 (void) { return &p->b.a.i; }
  12 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */