1// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2
3enum E2 { };
4
5struct A {
6  operator E2&(); // expected-note 3 {{candidate function}}
7};
8
9struct B {
10  operator E2&(); // expected-note 3 {{candidate function}}
11};
12
13struct C : B, A {
14};
15
16void test(C c) {
17  const E2 &e2 = c; // expected-error {{reference initialization of type 'const E2 &' with initializer of type 'C' is ambiguous}}
18}
19
20void foo(const E2 &);// expected-note{{passing argument to parameter here}}
21
22const E2 & re(C c) {
23    foo(c); // expected-error {{reference initialization of type 'const E2 &' with initializer of type 'C' is ambiguous}}
24
25    return c; // expected-error {{reference initialization of type 'const E2 &' with initializer of type 'C' is ambiguous}}
26}
27
28
29