gcc/testsuite/gcc.c-torture/compile/cp.c

   1 struct _obstack_chunk
   2 {
   3   char  *limit;
   4   struct _obstack_chunk *prev;
   5   char  contents[4];
   6 };
   7
   8 struct obstack
   9 {
  10   long  chunk_size;
  11   struct _obstack_chunk* chunk;
  12   char  *object_base;
  13   char  *next_free;
  14   char  *chunk_limit;
  15   int   temp;
  16   int   alignment_mask;
  17   struct _obstack_chunk *(*chunkfun) ();
  18   void (*freefun) ();
  19 };
  20
  21 struct fooalign {char x; double d;};
  22 union fooround {long x; double d;};
  23
  24 void
  25 _obstack_begin (h, size, alignment, chunkfun, freefun)
  26      struct obstack *h;
  27      int size;
  28      int alignment;
  29      void *  (*chunkfun) ();
  30      void (*freefun) ();
  31 {
  32   register struct _obstack_chunk* chunk;
  33
  34   if (alignment == 0)
  35     alignment = ((char *)&((struct fooalign *) 0)->d - (char *)0);
  36   if (size == 0)
  37     {
  38       int extra = 4;
  39       if (extra < (sizeof (union fooround)))
  40         extra = (sizeof (union fooround));
  41     }
  42 }