1  /* Copyright (C) 2002 Free Software Foundation, Inc.
       2  
       3     Tests we warn about overly-large assignments to bitfields.
       4  
       5     Source: Neil Booth, 28 Jan 2002.
       6  */
       7  
       8  struct bf
       9  {
      10    unsigned int a: 2;
      11    int b: 2;
      12  };
      13  
      14  struct bf p = {4, 0};		/* { dg-warning "unsigned conversion from .int. to 'unsigned char:2' changes value from .4. to .0." } */
      15  struct bf q = {0, 2};		/* { dg-warning "overflow in conversion from .int. to .signed char:2. changes value from .2. to .-2." } */
      16  struct bf r = {3, -2};		/* { dg-bogus "(trunc|overflow)" } */
      17  
      18  void foo ()
      19  {
      20    p.a = 4, p.b = 0;		/* { dg-warning "unsigned conversion from .int. to .unsigned char:2. changes value from .4. to .0." } */
      21    q.a = 0, q.b = 2;		/* { dg-warning "overflow in conversion from .int. to .signed char:2. changes value from .2. to .-2." } */
      22    r.a = 3, r.b = -2;		/* { dg-bogus "(trunc|overflow)" } */
      23  }