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