1  /* { dg-options "-Wint-in-bool-context" } */
       2  /* { dg-do compile } */
       3  
       4  #define BITS_PER_UNIT 8
       5  
       6  int foo (int count)
       7  {
       8    int alignment;
       9   
      10    alignment = 1;
      11    while (!(count & alignment)
      12           && (alignment * 2 * BITS_PER_UNIT)) /* { dg-warning "boolean context" } */
      13      alignment <<= 1;
      14    return alignment * BITS_PER_UNIT;
      15  }