1  /* -Wall is not supposed to trigger -Wsign-compare for C.  PR 10604.
       2     See also g++.dg/warn/compare1.C.  */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-options "-Wall" } */
       6  
       7  int f(unsigned a, int b)
       8  {
       9    return a < b;  /* { dg-bogus "changes signedness" } */
      10  }