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)7int f(unsigned a, int b) 8 { 9 return a < b; /* { dg-warning "comparison of integer expressions of different signedness" } */ 10 } 11