gcc/testsuite/gcc.dg/uninit-14-O0.c

   1 /* PR 24931 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wuninitialized" } */
   4
   5 struct p {
   6         short x, y;
   7 };
   8
   9 struct s {
  10         int i;
  11         struct p p;
  12 };
  13
  14 struct s f()
  15 {
  16         struct s s;
  17         s.p = (struct p){};
  18         s.i = (s.p.x || s.p.y);
  19         return s;
  20 }