1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -fsyntax-only -verify %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc@protocol Foo; 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel SambucClass T; 6*f4a2713aSLionel Sambucid<Foo> S; 7*f4a2713aSLionel Sambucid R; 8*f4a2713aSLionel Sambucvoid foo() { 9*f4a2713aSLionel Sambuc // Test assignment compatibility of Class and id. No warning should be 10*f4a2713aSLionel Sambuc // produced. 11*f4a2713aSLionel Sambuc // rdar://6770142 - Class and id<foo> are compatible. 12*f4a2713aSLionel Sambuc S = T; // expected-warning {{incompatible pointer types assigning to 'id<Foo>' from 'Class'}} 13*f4a2713aSLionel Sambuc T = S; // expected-warning {{incompatible pointer types assigning to 'Class' from 'id<Foo>'}} 14*f4a2713aSLionel Sambuc R = T; T = R; 15*f4a2713aSLionel Sambuc R = S; S = R; 16*f4a2713aSLionel Sambuc} 17*f4a2713aSLionel Sambuc 18*f4a2713aSLionel Sambuc// Test attempt to redefine 'id' in an incompatible fashion. 19*f4a2713aSLionel Sambuc// rdar://11356439 20*f4a2713aSLionel Sambuctypedef int id; // expected-error {{typedef redefinition with different types ('int' vs 'id')}} 21*f4a2713aSLionel Sambucid b; 22*f4a2713aSLionel Sambuc 23*f4a2713aSLionel Sambuctypedef double id; // expected-error {{typedef redefinition with different types ('double' vs 'id')}} 24*f4a2713aSLionel Sambuc 25*f4a2713aSLionel Sambuctypedef char *id; // expected-error {{typedef redefinition with different types ('char *' vs 'id')}} 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuctypedef union U{ int iu; } *id; // expected-error {{typedef redefinition with different types ('union U *' vs 'id')}} 28*f4a2713aSLionel Sambuc 29*f4a2713aSLionel Sambucvoid test11356439(id o) { 30*f4a2713aSLionel Sambuc o->x; // expected-error {{member reference base type 'id' is not a structure or union}} 31*f4a2713aSLionel Sambuc} 32