1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized -fno-short-enums" } */
3 typedef const union tree_node *const_tree;
4 typedef struct
5 {
6 }
7 double_int;
8 double_int double_int_zext (double_int, unsigned);
9 enum tree_code
10 { ERROR_MARK, IDENTIFIER_NODE, TREE_LIST, BLOCK, ENUMERAL_TYPE, BOOLEAN_TYPE,
11     INTEGER_TYPE, ARRAY_TYPE, INTEGER_CST, VAR_DECL, PARM_DECL, RESULT_DECL,
12   };
13 enum tree_code_class
14 { tcc_exceptional, tcc_constant, tcc_type, tcc_declaration, tcc_reference, };
15 struct tree_base
16 {
17   __extension__ enum tree_code code:16;
18   unsigned unsigned_flag:1;
19 };
20 struct tree_type
21 {
22   unsigned int precision:10;
23   union tree_type_symtab
24   {
25   } symtab;
26 };
27 union tree_node
28 {
29   struct tree_base base;
30   struct tree_type type;
31 };
32 const enum tree_code_class tree_code_type[] =
33 { tcc_exceptional, 1, 0, 0, 0, 0, 2, };
34 extern void tree_class_check_failed (const_tree, const char *);
35 
36 void
int_fits_type_p(const_tree c,const_tree type)37 int_fits_type_p (const_tree c, const_tree type)
38 {
39   double_int dc, dd;
40   {
41     if (((enum tree_code) (type)->base.code) == INTEGER_TYPE && ((
42 								   {
43 								   __typeof
44 								   (type) __t
45 								   = (type);
46 								   if
47 								   (tree_code_type
48 								    [(int)
49 								     (((enum
50 									tree_code)
51 								       (__t)->
52 								       base.
53 								       code))]
54 								    !=
55 								    (tcc_type))
56 								   tree_class_check_failed
57 								   (__t,
58 								    __FUNCTION__);
59 								   __t;})->
60 								 base.
61 								 unsigned_flag))
62       dd = double_int_zext (dd, ((
63 				   {
64 				   __typeof (type) __t = (type);
65 				   if (tree_code_type
66 				       [(int)
67 					(((enum tree_code) (__t)->base.
68 					  code))] !=
69 				       (tcc_type))
70 				   tree_class_check_failed (__t,
71 							    __FUNCTION__);
72 				   __t;}
73 				 )->type.precision));
74 }
75 }
76 /* The switch should be switch converted and later constant propagated.  */
77 /* { dg-final { scan-tree-dump-not "tree_code_type" "optimized"} } */
78