| 1 | // RUN: %clang_cc1 -verify -std=c++11 %s |
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| 2 | // expected-no-diagnostics |
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| 3 | template <typename T> struct OwnPtr { |
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| 4 | T *p; |
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| 5 | ~OwnPtr() { |
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| 6 | static_assert(sizeof(T) > 0, "incomplete T"); |
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| 7 | delete p; |
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| 8 | } |
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| 9 | }; |
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| 10 | |
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| 11 | namespace use_vtable_for_vcall { |
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| 12 | struct Incomplete; |
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| 13 | struct A { |
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| 14 | virtual ~A() {} |
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| 15 | virtual void m() {} |
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| 16 | }; |
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| 17 | struct B : A { |
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| 18 | B(); |
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| 19 | virtual void m() { } |
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| 20 | virtual void m2() { static_cast<A *>(this)->m(); } |
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| 21 | OwnPtr<Incomplete> m_sqlError; |
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| 22 | }; |
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| 23 | |
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| 24 | void f() { |
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| 25 | // Since B's constructor is declared out of line, nothing in this file |
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| 26 | // references a vtable, so the destructor doesn't get built. |
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| 27 | A *b = new B(); |
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| 28 | b->m(); |
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| 29 | delete b; |
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| 30 | } |
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| 31 | } |
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| 32 | |
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| 33 | namespace dont_mark_qualified_vcall { |
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| 34 | struct Incomplete; |
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| 35 | struct A { |
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| 36 | virtual ~A() {} |
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| 37 | virtual void m() {} |
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| 38 | }; |
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| 39 | struct B : A { |
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| 40 | B(); |
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| 41 | // Previously we would mark B's vtable referenced to devirtualize this call to |
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| 42 | // A::m, even though it's not a virtual call. |
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| 43 | virtual void m() { A::m(); } |
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| 44 | OwnPtr<Incomplete> m_sqlError; |
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| 45 | }; |
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| 46 | |
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| 47 | B *f() { |
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| 48 | return new B(); |
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| 49 | } |
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| 50 | } |
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| 51 | |
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