1// RUN: %clang_cc1 -O2 -fvisibility hidden -std=c++11 -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s
2
3// Ensure that available_externally functions eliminated at -O2 are now
4// declarations, and are not emitted as hidden with -fvisibility=hidden,
5// but rather with default visibility.
6struct Filter {
7  virtual void Foo();
8  int a;
9};
10
11class Message{};
12class Sender {
13 public:
14  virtual bool Send(Message* msg) = 0;
15
16 protected:
17  virtual ~Sender() {}
18};
19
20// CHECK: declare zeroext i1 @_ZThn16_N17SyncMessageFilter4SendEP7Message
21class SyncMessageFilter : public Filter, public Sender {
22 public:
23  bool Send(Message* message) override;
24};
25
26class TestSyncMessageFilter : public SyncMessageFilter {
27};
28
29int main() {
30  TestSyncMessageFilter *f = new TestSyncMessageFilter;
31  f->Send(new Message);
32}
33