/* Ensure that we indeed cannot obtain the value of a message send if the chosen method signature returns 'void'. There used to exist a cheesy hack that allowed it. While at it, check that the first lexically occurring method signature gets picked when sending messages to 'id'. */ /* Contributed by Ziemowit Laski */ /* { dg-do compile } */ #include @interface Object1 - (void)initWithData:(Object1 *)data; @end @interface Object2 - (id)initWithData:(Object1 *)data; @end @interface Object3 - (id)initWithData:(Object2 *)data; @end void foo(void) { id obj1, obj2 = 0; obj2 = [obj1 initWithData: obj2]; /* { dg-warning "multiple methods named .\\-initWithData:. found" "" { target *-*-* } 26 } */ /* { dg-warning "using .\\-\\(void\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } 13 } */ /* { dg-warning "also found .\\-\\(id\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } 17 } */ /* { dg-warning "also found .\\-\\(id\\)initWithData:\\(Object2 \\*\\)data." "" { target *-*-* } 21 } */ /* The following error is a consequence of picking the "wrong" method signature. */ /* { dg-error "void value not ignored as it ought to be" "" { target *-*-* } 26 } */ }
