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

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