1  /* { dg-do run } */
       2  
       3  typedef enum
       4  {
       5    PVT_A = 0,
       6    PVT_B = 1,
       7    PVT_CONFIG = 2,
       8    PVT_RESERVED3 = 3,
       9  } T_CR_SELECT;
      10  
      11  typedef enum
      12  {
      13    STD_ULOGIC_0 = 0,
      14    STD_ULOGIC_1 = 1,
      15  } STD_ULOGIC;
      16  
      17  typedef struct
      18  {
      19    unsigned char rtp : 3;
      20    unsigned char rtn : 3;
      21  } C;
      22  
      23  typedef struct
      24  {
      25    unsigned char nd;
      26    unsigned char pd;
      27    unsigned char rtn;
      28    unsigned char rtp;
      29  } A;
      30  
      31  typedef struct
      32  {
      33    unsigned short reserved : 14;
      34    unsigned char Z_rx_enable : 2;
      35    A pvt;
      36  } B;
      37  
      38  typedef struct
      39  {
      40    B cr_dsclk_q3;
      41    B cr_data_q3;
      42    B cr_addr_q3;
      43    B cr_cmd_q3;
      44    B cr_pres_q3;
      45    C cr_vref_q3[6];
      46    unsigned char pres_disable;
      47    unsigned char pres_drive_high;
      48    unsigned char c_enab_120;
      49    STD_ULOGIC clk_tximp;
      50    STD_ULOGIC dqs_tximp;
      51    STD_ULOGIC cmd_tximp;
      52    STD_ULOGIC data_tximp;
      53    STD_ULOGIC dqs_rxterm;
      54    STD_ULOGIC data_rxterm;
      55    T_CR_SELECT cr_clk_sel;
      56    unsigned char cr_clk : 5;
      57    T_CR_SELECT cr_dsclk_odd_sel;
      58    unsigned char cr_dsclk_odd : 5;
      59    T_CR_SELECT cr_dsclk_even_sel;
      60    unsigned char cr_dsclk_even : 5;
      61    T_CR_SELECT cr_data_sel;
      62    unsigned char cr_data : 5;
      63    T_CR_SELECT cr_vref_sel;
      64    unsigned char cr_vref : 5;
      65    T_CR_SELECT cr_others_sel;
      66    unsigned char cr_others : 5;
      67  } CONFIG;
      68  
      69  typedef struct
      70  {
      71    unsigned char enable_monitor;
      72    unsigned short step_out_pointer : 12;
      73    unsigned short hold_out_pointer : 12;
      74    unsigned short enable_wr_dqs : 12;
      75    unsigned short use_alt_rd_dqs : 12;
      76    CONFIG io_buf;
      77  } mystruct;
      78  
      79  unsigned short __attribute__((noinline,noclone))
      80  testfunction(unsigned i)
      81  {
      82    mystruct dmfe[8];
      83    dmfe[0].use_alt_rd_dqs = 1;
      84    dmfe[i].use_alt_rd_dqs = 0;
      85    return dmfe[0].use_alt_rd_dqs;
      86  }
      87  
      88  extern void abort (void);
      89  int main ()
      90  {
      91    if (testfunction(0) != 0) 
      92      abort ();
      93    return 0;
      94  }