modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20030530-3.c (about)

     1  struct tree_decl
     2  {
     3    unsigned in_system_header_flag:1;
     4  };
     5  union tree_node
     6  {
     7    struct tree_decl decl;
     8  };
     9  typedef union tree_node *tree;
    10  static int
    11  redeclaration_error_message (olddecl)
    12       tree olddecl;
    13  {
    14    if (({olddecl;})->decl.in_system_header_flag)
    15      ;
    16  }