gcc/testsuite/gcc.dg/tree-ssa/pr81063.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O" } */
   3
   4 struct A
   5 {
   6   int b;
   7   int c:2;
   8 };
   9
  10 struct B
  11 {
  12   int e;
  13   struct A f;
  14 } g = {0, {0, 1}}, j;
  15
  16 struct A *h = &g.f;
  17
  18 int main ()
  19 {
  20   struct A k;
  21   struct B l = j, i = l;
  22   if (!i.f.b)
  23     k = i.f;
  24   *h = k;
  25   if (g.f.c != 0)
  26     __builtin_abort ();
  27   return 0;
  28 }