| Shih-wei Liao | ea28516 | 2010-06-04 12:34:56 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | |
| 3 | @interface NSObject @end |
| 4 | @protocol XCElementP @end |
| 5 | @protocol XCElementSpacerP <XCElementP> @end |
| 6 | |
| 7 | @protocol PWhatever @end |
| 8 | |
| 9 | @interface XX |
| 10 | |
| 11 | - (void)setFlexElement:(NSObject <PWhatever, XCElementP> *)flexer; |
| 12 | - (void)setFlexElement2:(NSObject <PWhatever, XCElementSpacerP> *)flexer; // expected-note{{passing argument to parameter 'flexer' here}} |
| 13 | |
| 14 | @end |
| 15 | |
| 16 | void func() { |
| 17 | NSObject <PWhatever, XCElementSpacerP> * flexer; |
| 18 | NSObject <PWhatever, XCElementP> * flexer2; |
| 19 | XX *obj; |
| 20 | [obj setFlexElement:flexer]; |
| 21 | // FIXME: GCC provides the following diagnostic (which is much better): |
| 22 | // protocol-typecheck.m:21: warning: class 'NSObject <PWhatever, XCElementP>' does not implement the 'XCElementSpacerP' protocol |
| 23 | [obj setFlexElement2:flexer2]; // expected-warning{{incompatible pointer types sending 'NSObject<PWhatever,XCElementP> *' to parameter of type 'NSObject<PWhatever,XCElementSpacerP> *'}} |
| 24 | } |
| 25 | |