1// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -verify %s -fobjc-arc 2// 3// These tests exist as a means to help ensure that diagnostics aren't printed 4// in overload resolution in ObjC. 5 6struct Type1 { int a; }; 7typedef const __attribute__((objc_bridge(id))) void * CFTypeRef; 8@interface Iface1 @end 9 10@interface NeverCalled 11- (void) test:(struct Type1 *)arg; 12- (void) test2:(CFTypeRef)arg; 13@end 14 15@interface TakesIface1 16- (void) test:(Iface1 *)arg; 17- (void) test2:(Iface1 *)arg; 18@end 19 20// PR26085, rdar://problem/24111333 21void testTakesIface1(id x, Iface1 *arg) { 22 // This should resolve silently to `TakesIface1`. 23 [x test:arg]; 24 [x test2:arg]; 25} 26 27@class NSString; 28@interface NeverCalledv2 29- (void) testStr:(NSString *)arg; 30@end 31 32@interface TakesVanillaConstChar 33- (void) testStr:(const void *)a; 34@end 35 36// Not called out explicitly by PR26085, but related. 37void testTakesNSString(id x) { 38 // Overload resolution should not emit a diagnostic about needing to add an 39 // '@' before "someStringLiteral". 40 [x testStr:"someStringLiteral"]; 41} 42 43id CreateSomething(); 44 45@interface TakesCFTypeRef 46- (void) testCFTypeRef:(CFTypeRef)arg; 47@end 48 49@interface NeverCalledv3 50- (void) testCFTypeRef:(struct Type1 *)arg; 51@end 52 53// Not called out explicitly by PR26085, but related. 54void testTakesCFTypeRef(id x) { 55 // Overload resolution should occur silently, select the CFTypeRef overload, 56 // and produce a single complaint. (with notes) 57 [x testCFTypeRef:CreateSomething()]; // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef'}} expected-note{{use __bridge}} expected-note{{use __bridge_retained}} 58} 59