1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2// rdar://5986251 3 4@protocol SomeProtocol 5- (void) bar; 6@end 7 8void bar(); 9void foo(id x) { 10 bar((short<SomeProtocol>)x); // expected-error {{expected ')'}} expected-note {{to match this '('}} 11 bar((<SomeProtocol>)x); // expected-warning {{protocol has no object type specified; defaults to qualified 'id'}} 12 13 [(<SomeProtocol>)x bar]; // expected-warning {{protocol has no object type specified; defaults to qualified 'id'}} 14} 15 16@protocol MyProtocol 17- (void)doSomething; 18@end 19 20@interface MyClass 21- (void)m1:(id <MyProtocol> const)arg1; 22 23// FIXME: provide a better diagnostic (no typedef). 24- (void)m2:(id <MyProtocol> short)arg1; // expected-error {{'short type-name' is invalid}} 25@end 26 27typedef int NotAnObjCObjectType; 28 29// GCC doesn't diagnose this. 30NotAnObjCObjectType <SomeProtocol> *obj; // expected-error {{invalid protocol qualifiers on non-ObjC type}} 31 32typedef struct objc_class *Class; 33 34Class <SomeProtocol> UnfortunateGCCExtension; 35 36// rdar://10238337 37@protocol Broken @end 38@interface Crash @end 39@implementation Crash 40- (void)crashWith:(<Broken>)a { // expected-warning {{protocol has no object type specified; defaults to qualified 'id'}} 41} 42@end 43 44typedef <SomeProtocol> id TwoTypeSpecs; // expected-warning{{no object type specified}} 45// expected-error@-1{{typedef redefinition with different types ('id<SomeProtocol>' vs 'id')}} 46// expected-error@-2{{expected ';' after top level declarator}} 47