1 /* -Wall is supposed to trigger -Wsign-compare for C++.  PR 10604.
2    See also gcc.dg/compare7.c.  */
3 
4 /* { dg-do compile } */
5 /* { dg-options "-Wall" } */
6 
f(unsigned a,int b)7 int f(unsigned a, int b)
8 {
9   return a < b;  /* { dg-warning "comparison of integer expressions of different signedness" } */
10 }
11