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1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3@protocol Foo;4 5Class T;6id<Foo> S;7id R;8void foo(void) {9 // Test assignment compatibility of Class and id. No warning should be10 // produced.11 // Class and id<foo> are compatible.12 S = T; // expected-error {{incompatible pointer types assigning to 'id<Foo>' from 'Class'}}13 T = S; // expected-error {{incompatible pointer types assigning to 'Class' from 'id<Foo>'}}14 R = T; T = R;15 R = S; S = R;16}17 18// Test attempt to redefine 'id' in an incompatible fashion.19typedef int id; // expected-error {{typedef redefinition with different types ('int' vs 'id')}}20id b;21 22typedef double id; // expected-error {{typedef redefinition with different types ('double' vs 'id')}}23 24typedef char *id; // expected-error {{typedef redefinition with different types ('char *' vs 'id')}}25 26typedef union U{ int iu; } *id; // expected-error {{typedef redefinition with different types ('union U *' vs 'id')}}27 28void test11356439(id o) {29 o->x; // expected-error {{member reference base type 'id' is not a structure or union}}30}31