gcc/testsuite/gcc.dg/torture/pr57147-3.c

   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));
  10 void GC_fault_handler(int sig)
  11 {
  12 }
  13 void GC_setup_temporary_fault_handler()     {
  14     GC_set_and_save_fault_handler(GC_fault_handler);
  15 }
  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 }