1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3 @interface PBXTrackableTaskManager @end 4 5 @implementation PBXTrackableTaskManager 6 - (id) init { return 0; } 7 - (void) unregisterTask:(id) task { 8 @synchronized (self) { 9 id taskID = [task taskIdentifier]; // expected-warning {{method '-taskIdentifier' not found (return type defaults to 'id')}} 10 } 11 } 12 @end 13 14 15 struct x { int a; } b; 16 17 void test1() { 18 @synchronized (b) { // expected-error {{@synchronized requires an Objective-C object type ('struct x' invalid)}} 19 } 20 21 @synchronized (42) { // expected-error {{@synchronized requires an Objective-C object type ('int' invalid)}} 22 } 23 } 24
