// RUN: %clang_cc1 -triple x86_64-apple-macosx -emit-llvm %s -o - | FileCheck %s | |
// Test that we produce a declaration for the protocol. It must be matched | |
// by a definition in another TU, so external is the correct linkage | |
// (not extern_weak). | |
// CHECK: @"_OBJC_PROTOCOL_$_p1" = external global | |
@interface NSObject | |
@end | |
@protocol p1; | |
@interface I1 : NSObject <p1> | |
@end | |
@implementation I1 | |
@end |