gcc/testsuite/gcc.dg/torture/pr59990.c

   1 /* { dg-do run } */
   2
   3 extern void abort (void);
   4
   5 unsigned char value[4] = { 66, 9, 160, 255 };
   6
   7 int main (void)
   8 {
   9   volatile float f;
  10   unsigned char a[4];
  11
  12   __builtin_memcpy ((void *)&f, value, 4);
  13   __builtin_memcpy (a, (void *)&f, 4);
  14   if (a[2] != 160)
  15     abort ();
  16
  17   return 0;
  18 }