1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 @protocol Foo; 4 5 Class T; 6 id<Foo> S; 7 id R; 8 void foo() { 9 // Test assignment compatibility of Class and id. No warning should be 10 // produced. 11 // rdar://6770142 - Class and id<foo> are compatible. 12 S = T; // expected-warning {{incompatible pointer types assigning to 'id<Foo>' from 'Class'}} 13 T = S; // expected-warning {{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. 19 // rdar://11356439 20 typedef int id; // expected-error {{typedef redefinition with different types ('int' vs 'id')}} 21 id b; 22 23 typedef double id; // expected-error {{typedef redefinition with different types ('double' vs 'id')}} 24 25 typedef char *id; // expected-error {{typedef redefinition with different types ('char *' vs 'id')}} 26 27 typedef union U{ int iu; } *id; // expected-error {{typedef redefinition with different types ('union U *' vs 'id')}} 28 29 void test11356439(id o) { 30 o->x; // expected-error {{member reference base type 'id' is not a structure or union}} 31 } 32
