1 union tree_node;
2 typedef union tree_node *tree;
3 struct tree_common
4 {
5   tree type;
6   unsigned lang_flag_0 : 1;
7 };
8 union tree_node
9 {
10   struct tree_common common;
11 };
12 static void
java_check_regular_methods(tree class_decl)13 java_check_regular_methods (tree class_decl)
14 {
15   int saw_constructor = class_decl->common.type->common.lang_flag_0;
16   tree class = class_decl->common.type;
17   for (;;)
18     {
19       if (class)
20         if (class_decl->common.type)
21           bar (class);
22     }
23 }
24