1// RUN: %clang_cc1 -triple x86_64-apple-macosx -emit-llvm %s -o - | FileCheck %s 2 3// Test that we produce a declaration for the protocol. It must be matched 4// by a definition in another TU, so external is the correct linkage 5// (not extern_weak). 6// CHECK: @"_OBJC_PROTOCOL_$_p1" = external global 7 8@interface NSObject 9@end 10 11@protocol p1; 12 13@interface I1 : NSObject <p1> 14@end 15 16@implementation I1 17@end 18