1// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2
3struct A {
4  operator int&();
5  operator long*& ();
6};
7
8struct B {
9  operator long&();
10  operator int*& ();
11};
12
13struct C : B, A { };
14
15void test(C c) {
16  ++c; // expected-error {{use of overloaded operator '++' is ambiguous}}\
17       // expected-note {{built-in candidate operator++(int &)}} \
18       // expected-note {{built-in candidate operator++(long &)}} \
19       // expected-note {{built-in candidate operator++(long *&)}} \
20       // expected-note {{built-in candidate operator++(int *&)}}
21}
22
23struct A1 { operator volatile int&(); };
24
25struct B1 { operator volatile long&(); };
26
27struct C1 : B1, A1 { };
28
29void test(C1 c) {
30  ++c;	// expected-error {{use of overloaded operator '++' is ambiguous}} \
31	// expected-note {{built-in candidate operator++(volatile int &)}} \
32	// expected-note {{built-in candidate operator++(volatile long &)}}
33}
34
35