validation/expand/union-cast.c

   1 union u {
   2         int i;
   3         struct s {
   4                 int a;
   5         } s;
   6 };
   7
   8 int foo(void)
   9 {
  10         struct s s = { 3 };
  11         union u u = (union u)s;
  12         return u.s.a;
  13 }
  14
  15 /*
  16  * check-name: union-cast
  17  * check-command: test-linearize -Wno-decl -fdump-ir $file
  18  * check-known-to-fail
  19  *
  20  * check-output-ignore
  21  * check-output-excludes: load\\.
  22  *
  23  * check-error-start
  24 union-cast.c:11:22: warning: cast to non-scalar
  25 union-cast.c:11:22: warning: cast from non-scalar
  26  * check-error-end
  27  */