| 1 | // RUN: %clang_cc1 %s -emit-llvm-only -triple=i386-pc-win32 -verify -DTEST1 |
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| 2 | // RUN: %clang_cc1 %s -emit-llvm-only -triple=i386-pc-win32 -verify -DTEST2 |
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| 3 | |
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| 4 | #ifdef TEST1 |
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| 5 | struct A { |
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| 6 | virtual A *foo(); // in vftable slot #0. |
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| 7 | virtual A *bar(); // in vftable slot #1. |
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| 8 | }; |
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| 9 | |
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| 10 | struct B : virtual A { |
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| 11 | // appended to the A subobject's vftable in slot #2. |
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| 12 | virtual B *foo(); // expected-note{{covariant thunk required by 'foo'}} |
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| 13 | }; |
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| 14 | |
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| 15 | struct C : virtual A { |
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| 16 | // appended to the A subobject's vftable in slot #2. |
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| 17 | virtual C *bar(); // expected-note{{covariant thunk required by 'bar'}} |
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| 18 | }; |
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| 19 | |
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| 20 | struct D : B, C { D(); }; // expected-error{{ambiguous vftable component}} |
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| 21 | D::D() {} |
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| 22 | #endif |
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| 23 | |
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| 24 | #ifdef TEST2 |
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| 25 | struct A { |
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| 26 | virtual A *foo(); // in vftable slot #0 |
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| 27 | }; |
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| 28 | |
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| 29 | struct B : virtual A { |
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| 30 | // appended to the A subobject's vftable in slot #1. |
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| 31 | virtual B *foo(); // expected-note{{covariant thunk required by 'foo'}} |
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| 32 | }; |
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| 33 | |
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| 34 | struct C : virtual A { |
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| 35 | // appended to the A subobject's vftable in slot #1. |
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| 36 | virtual C *foo(); // expected-note{{covariant thunk required by 'foo'}} |
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| 37 | }; |
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| 38 | |
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| 39 | struct D : B, C { // expected-error{{ambiguous vftable component}} |
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| 40 | virtual D *foo(); |
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| 41 | D(); |
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| 42 | }; |
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| 43 | D::D() {} |
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| 44 | #endif |
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| 45 | |
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