gcc/testsuite/gcc.c-torture/compile/20040727-1.c

   1 /* Extracted from boehm-gc/os_dep.c on Darwin.  It caused an ICE when
   2    trying to merge alias information from two pointers that had
   3    different type memory tags.  */
   4 typedef int thread_state_flavor_t;
   5 typedef int exception_behavior_t;
   6 typedef unsigned int exception_mask_t;
   7 typedef unsigned int exception_handler_t;
   8 typedef unsigned int mach_msg_type_number_t;
   9 static struct {
  10    mach_msg_type_number_t count;
  11    exception_mask_t masks[16];
  12    exception_handler_t ports[16];
  13    thread_state_flavor_t flavors[16];
  14 } GC_old_exc_ports;
  15
  16 typedef exception_handler_t *exception_handler_array_t;
  17 typedef thread_state_flavor_t *exception_flavor_array_t;
  18
  19
  20 int task_get_exception_ports
  21 (
  22   mach_msg_type_number_t *masksCnt,
  23   exception_handler_array_t old_handlers,
  24   exception_flavor_array_t old_flavors
  25 );
  26
  27 void GC_dirty_init()
  28 {
  29    task_get_exception_ports(GC_old_exc_ports.masks,
  30                            GC_old_exc_ports.ports,
  31                            GC_old_exc_ports.flavors);
  32 }