/* PR c++/44062 */ /* { dg-do compile } */ /* { dg-options "-Wunused" } */ void foo (void) { int a, b, c, d, e, f, g; a = 1; b = 2; c = 3; d = 4; e = 5; f = 6; g = 7; a; /* { dg-warning "no effect" } */ b, 1; /* { dg-warning "no effect" } */ (void) c; (void) d, 1; /* { dg-warning "no effect" } */ e, f, 1; /* { dg-warning "no effect" } */ (void) g, f, 1; /* { dg-warning "no effect" } */ } void bar (void) { int a; int b; int c; /* { dg-warning "set but not used" } */ a = 1; b = 2; c = 3; c = ({ a++, b; }); } void baz (void) { int a; int b; int c; int d; a = 1; b = 2; c = 3; d = 4; d, ( a++, b ), c; /* { dg-warning "no effect" } */ }