| // RUN: %clang_cc1 -verify -fsyntax-only -Wshadow %s | 
 |  | 
 | namespace { | 
 |   int i; // expected-note {{previous declaration is here}} | 
 | } | 
 |  | 
 | namespace one { | 
 | namespace two { | 
 |   int j; // expected-note {{previous declaration is here}} | 
 | } | 
 | } | 
 |  | 
 | namespace xx { | 
 |   int m; | 
 | } | 
 | namespace yy { | 
 |   int m; | 
 | } | 
 |  | 
 | using namespace one::two; | 
 | using namespace xx; | 
 | using namespace yy; | 
 |  | 
 | void foo() { | 
 |   int i; // expected-warning {{declaration shadows a variable in namespace '<anonymous>'}} | 
 |   int j; // expected-warning {{declaration shadows a variable in namespace 'one::two'}} | 
 |   int m; | 
 | } | 
 |  | 
 | class A { | 
 |   static int data; // expected-note {{previous declaration}} | 
 |   int field; // expected-note {{previous declaration}} | 
 |  | 
 |   void test() { | 
 |     char *field; // expected-warning {{declaration shadows a field of 'A'}} | 
 |     char *data; // expected-warning {{declaration shadows a static data member of 'A'}} | 
 |   } | 
 | }; | 
 |  | 
 | // TODO: this should warn, <rdar://problem/5018057> | 
 | class B : A { | 
 |   int data; | 
 |   static int field; | 
 | }; |