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extern void abort (void);

typedef union i386_operand_type

{

  struct

    {

      unsigned int reg8:1;

      unsigned int reg16:1;

      unsigned int reg32:1;

      unsigned int reg64:1;

      unsigned int floatreg:1;

      unsigned int regmmx:1;

      unsigned int regxmm:1;

      unsigned int regymm:1;

      unsigned int control:1;

      unsigned int debug:1;

      unsigned int test:1;

      unsigned int sreg2:1;

      unsigned int sreg3:1;

      unsigned int imm1:1;

      unsigned int imm8:1;

      unsigned int imm8s:1;

      unsigned int imm16:1;

      unsigned int imm32:1;

      unsigned int imm32s:1;

      unsigned int imm64:1;

      unsigned int disp8:1;

      unsigned int disp16:1;

      unsigned int disp32:1;

      unsigned int disp32s:1;

      unsigned int disp64:1;

      unsigned int acc:1;

      unsigned int floatacc:1;

      unsigned int baseindex:1;

      unsigned int inoutportreg:1;

      unsigned int shiftcount:1;

      unsigned int jumpabsolute:1;

      unsigned int esseg:1;

      unsigned int regmem:1;

      unsigned int mem:1;

      unsigned int byte:1;

      unsigned int word:1;

      unsigned int dword:1;

      unsigned int fword:1;

      unsigned int qword:1;

      unsigned int tbyte:1;

      unsigned int xmmword:1;

      unsigned int ymmword:1;

      unsigned int unspecified:1;

      unsigned int anysize:1;

    } bitfield;

  unsigned int array[2];

} i386_operand_type;

unsigned int x00, x01, y00, y01;

int main (int argc, char *argv[])

{

  i386_operand_type a,b,c,d;

  a.bitfield.reg16 = 1;

  a.bitfield.imm16 = 0;

  a.array[1] = 22;

  b = a;

  x00 = b.array[0];

  x01 = b.array[1];

  c = b;

  y00 = c.array[0];

  y01 = c.array[1];

  d = c;

  if (d.bitfield.reg16 != 1)

    abort();

  if (d.bitfield.imm16 != 0)

    abort();

  if (d.array[1] != 22)

    abort();

  return 0;

}