gcc/testsuite/gcc.dg/stmt-expr-4.c

   1
   2 /* { dg-options "-O2 -std=gnu99" } */
   3 /* Internal compiler error in iterative_hash_expr */
   4
   5 struct tree_string
   6 {
   7   char str[1];
   8 };
   9
  10 union tree_node
  11 {
  12   struct tree_string string;
  13 };
  14
  15 char *Foo (union tree_node * num_string)
  16 {
  17   char *str = ((union {const char * _q; char * _nq;})
  18                ((const char *)(({ __typeof (num_string) const __t
  19                                      = num_string;  __t; })
  20                                ->string.str)))._nq;
  21   return str;
  22 }