| |
| /* 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; /* { dg-warning "using" } */ |
| @end |
| |
| @interface Object2 |
| - (id)initWithData:(Object1 *)data; /* { dg-warning "also found" } */ |
| @end |
| |
| @interface Object3 |
| - (id)initWithData:(Object2 *)data; /* { dg-warning "also found" } */ |
| @end |
| |
| void foo(void) { |
| id obj1, obj2 = 0; |
| obj2 = [obj1 initWithData: obj2]; /* { dg-error "assigning to .id. from incompatible type" } */ |
| /* { dg-warning "multiple methods named .initWithData" "" { target *-*-* } 26 } */ |
| } |
