1  /* PR c++/52703 */
       2  /* { dg-options -Wsign-conversion } */
       3  
       4  unsigned f (unsigned x) {
       5    return x;
       6  }
       7  
       8  int main () {
       9    unsigned short a = 0;
      10    unsigned b = a + 1;
      11    f (a + 1);
      12    return 0;
      13  }