1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  typedef struct {
       5    volatile unsigned long a:8;
       6    volatile unsigned long b:8;
       7    volatile unsigned long c:16;
       8  } BitStruct;
       9  
      10  BitStruct bits;
      11  
      12  unsigned long foo ()
      13  {
      14    return bits.b;
      15  }
      16  
      17  /* { dg-final { scan-assembler "ldr\[\\t \]+\[^\n\]*,\[\\t \]*\\\[\[^\n\]*\\\]" } } */