1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 2 3 struct A { 4 operator int&(); 5 operator long*& (); 6 }; 7 8 struct B { 9 operator long&(); 10 operator int*& (); 11 }; 12 13 struct C : B, A { }; 14 15 void 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 23 struct A1 { operator volatile int&(); }; 24 25 struct B1 { operator volatile long&(); }; 26 27 struct C1 : B1, A1 { }; 28 29 void 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
