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