1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 int foo(int x) { 4 return x == x; // expected-warning {{self-comparison always evaluates to true}} 5 } 6 7 struct X { 8 bool operator==(const X &x); 9 }; 10 11 struct A { 12 int x; 13 X x2; 14 int a[3]; 15 int b[3]; 16 bool f() { return x == x; } // expected-warning {{self-comparison always evaluates to true}} 17 bool g() { return x2 == x2; } // no-warning 18 bool h() { return a == b; } // expected-warning {{array comparison always evaluates to false}} 19 bool i() { 20 int c[3]; 21 return a == c; // expected-warning {{array comparison always evaluates to false}} 22 } 23 }; 24