| // RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-gc -fsyntax-only -verify %s | 
 | @interface INTF @end | 
 |  | 
 | extern INTF* p2; | 
 | extern __strong INTF* p2; | 
 |  | 
 | extern __strong id p1; | 
 | extern id p1; | 
 |  | 
 | extern id CFRunLoopGetMain(); | 
 | extern __strong id CFRunLoopGetMain(); | 
 |  | 
 | extern __weak id WLoopGetMain(); // expected-note {{previous declaration is here}} | 
 | extern id WLoopGetMain();	// expected-error {{conflicting types for 'WLoopGetMain'}} | 
 |  | 
 | extern id p3;	// expected-note {{previous declaration is here}} | 
 | extern __weak id p3;	// expected-error {{redeclaration of 'p3' with a different type}} | 
 |  | 
 | extern void *p4; // expected-note {{previous declaration is here}} | 
 | extern void * __strong p4; // expected-error {{redeclaration of 'p4' with a different type}} | 
 |  | 
 | extern id p5; | 
 | extern __strong id p5; | 
 |  | 
 | extern char* __strong p6; // expected-note {{previous declaration is here}} | 
 | extern char* p6; // expected-error {{redeclaration of 'p6' with a different type}} | 
 |  | 
 | extern __strong char* p7; // expected-note {{previous declaration is here}} | 
 | extern char* p7; // expected-error {{redeclaration of 'p7' with a different type}} |