src/third_party/llvm-project/clang/test/SemaObjCXX/objc2-merge-gc-attribue-decl.mm

// 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 __strong id CFRunLoopGetMain2();
extern id CFRunLoopGetMain2();

extern INTF* CFRunLoopGetMain3();
extern __strong INTF* CFRunLoopGetMain3();

extern __strong INTF* CFRunLoopGetMain4();
extern INTF* CFRunLoopGetMain4();

typedef id ID;
extern ID CFRunLoopGetMain5();
extern __strong id CFRunLoopGetMain5();

extern __strong id CFRunLoopGetMain6();
extern ID CFRunLoopGetMain6();

extern ID CFRunLoopGetMain7();
extern __strong ID CFRunLoopGetMain7();

extern __strong ID CFRunLoopGetMain8();
extern ID CFRunLoopGetMain8();

extern __weak id WLoopGetMain(); // expected-note {{previous declaration is here}}
extern id WLoopGetMain();	// expected-error {{functions that differ only in their return type cannot be overloaded}}

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}}