gcc/testsuite/gcc.c-torture/execute/20001026-1.c

   1 extern void abort (void);
   2
   3 typedef struct {
   4   long r[(19 + sizeof (long))/(sizeof (long))];
   5 } realvaluetype;
   6
   7 typedef void *tree;
   8
   9 static realvaluetype
  10 real_value_from_int_cst (tree x, tree y)
  11 {
  12   realvaluetype r;
  13   int i;
  14   for (i = 0; i < sizeof(r.r)/sizeof(long); ++i)
  15     r.r[i] = -1;
  16   return r;
  17 }
  18
  19 struct brfic_args
  20 {
  21   tree type;
  22   tree i;
  23   realvaluetype d;
  24 };
  25
  26 static void
  27 build_real_from_int_cst_1 (data)
  28      void * data;
  29 {
  30   struct brfic_args *args = (struct brfic_args *) data;
  31   args->d = real_value_from_int_cst (args->type, args->i);
  32 }
  33
  34 int main()
  35 {
  36   struct brfic_args args;
  37
  38   __builtin_memset (&args, 0, sizeof(args));
  39   build_real_from_int_cst_1 (&args);
  40
  41   if (args.d.r[0] == 0)
  42     abort ();
  43   return 0;
  44 }