1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-dom2" } */
3 
4 extern void abort (void);
5 
6 union tree_node;
7 typedef union tree_node *tree;
8 enum tree_code
9 {
10   BIND_EXPR,
11 };
12 struct tree_common
13 {
14   enum tree_code code:8;
15 };
16 union tree_node
17 {
18   struct tree_common common;
19 };
20 tree
voidify_wrapper_expr(tree wrapper)21 voidify_wrapper_expr (tree wrapper)
22 {
23   switch (wrapper->common.code)
24     {
25     case BIND_EXPR:
26       if (wrapper->common.code != BIND_EXPR)
27         abort ();
28     }
29 }
30 
31 
32 /* There should be no IF conditionals.  */
33 /* { dg-final { scan-tree-dump-times "if " 0 "dom2"} } */
34