1 /* This test exposed a bug in combine where it was improperly changing
2    the mode of a register.  The bug appeared to be latent until web
3    was moved after combine.  This is the reduced test that fails
4    by crashing in reload.  */
5 
6 
7 typedef struct cpp_reader cpp_reader;
8 typedef struct cpp_string cpp_string;
9 struct cpp_string
10 {
11   unsigned int len;
12   const unsigned char *text;
13 };
14 struct cpp_callbacks
15 {
16   void (*ident) (cpp_reader *, unsigned int, const cpp_string *);
17 };
18 static void cb_ident (cpp_reader *, unsigned int, const cpp_string *);
init_c_lex(void)19 init_c_lex (void)
20 {
21   struct cpp_callbacks *cb;
22   cb->ident = cb_ident;
23 }
cb_ident(cpp_reader * pfile,unsigned int line,const cpp_string * str)24 cb_ident (cpp_reader * pfile __attribute__ ((__unused__)), unsigned int
25 line
26           __attribute__ ((__unused__)), const cpp_string * str
27           __attribute__ ((__unused__)))
28 {
29   {
30     cpp_string cstr = {
31     };
32     if (cpp_interpret_string (pfile, str, 1, &cstr, 0))
33       {
34       }
35   }
36 }
37