/* 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 <zlaski@apple.com>  *//* { dg-do compile } */#include <objc/objc.h>@interface Object1- (void)initWithData:(Object1 *)data;@end@interface Object2- (id)initWithData:(Object1 *)data;@end@interface Object3- (id)initWithData:(Object2 *)data;@endvoid 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 } */}