1 /* { dg-do compile } */
2 
3 typedef char * ptr_t;
4 struct __jmp_buf_tag   {
5 };
6 typedef struct __jmp_buf_tag sigjmp_buf[1];
7 sigjmp_buf GC_jmp_buf;
8 int __sigsetjmp (sigjmp_buf, int);
9 void GC_set_and_save_fault_handler (void (*)(int));
GC_fault_handler(int sig)10 void GC_fault_handler(int sig)
11 {
12 }
GC_setup_temporary_fault_handler()13 void GC_setup_temporary_fault_handler()     {
14     GC_set_and_save_fault_handler(GC_fault_handler);
15 }
GC_find_limit(ptr_t p)16 ptr_t GC_find_limit(ptr_t p)
17 {
18   GC_setup_temporary_fault_handler();
19   if (__sigsetjmp (GC_jmp_buf, 1) == 0)
20     for (;;)
21       ;
22 }
23