// RUN: %clang_cc1 -funknown-anytype -fsyntax-only -fdebugger-support -fdebugger-cast-result-to-id -verify %s extern __unknown_anytype test0; extern __unknown_anytype test1(); void test_unknown_anytype_receiver() { (void)(int)[[test0 unknownMethod] otherUnknownMethod];; (void)(id)[[test1() unknownMethod] otherUnknownMethod]; id x = test0; id y = test1(); } // rdar://10988847 @class NSString; // expected-note {{forward declaration of class here}} void rdar10988847() { id s = [NSString stringWithUTF8String:"foo"]; // expected-warning {{receiver 'NSString' is a forward class and corresponding @interface may not exist}} }