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 typedef int id; // FIXME: Decide how we want to deal with this (now that 'id' is more of a built-in type). 20 id b; 21 22