gcc/testsuite/gcc.dg/torture/pr47411.c

   1 /* { dg-do compile } */
   2
   3 typedef long unsigned int size_t;
   4
   5 static __inline void *
   6 __inline_memcpy_chk (void *__dest, const void *__src, size_t __len)
   7 {
   8   return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
   9 }
  10
  11 extern void *xmalloc (size_t) __attribute__ ((__malloc__));
  12
  13 struct htab { void ** entries; };
  14
  15 typedef struct htab *htab_t;
  16
  17 extern void ** htab_find_slot (htab_t, const void *);
  18
  19 enum mode_class { MODE_RANDOM, MODE_CC, MODE_INT, MAX_MODE_CLASS };
  20
  21 struct mode_data
  22 {
  23   struct mode_data *next;
  24   enum mode_class cl;
  25 };
  26
  27 static const struct mode_data blank_mode = { 0, MAX_MODE_CLASS };
  28
  29 static htab_t modes_by_name;
  30
  31 struct mode_data *
  32 new_mode (void)
  33 {
  34   struct mode_data *m
  35     = ((struct mode_data *) xmalloc (sizeof (struct mode_data)));
  36
  37   ((__builtin_object_size (m, 0) != (size_t) -1) ? __builtin___memcpy_chk (m, &blank_mode, sizeof (struct mode_data), __builtin_object_size (m, 0)) : __inline_memcpy_chk (m, &blank_mode, sizeof (struct mode_data)));
  38
  39   *htab_find_slot (modes_by_name, m) = m;
  40
  41   return m;
  42 }