// RUN: %clang_cc1 -verify -std=c++11 %s // expected-no-diagnostics template <typename T> struct OwnPtr { T *p; ~OwnPtr() { static_assert(sizeof(T) > 0, "incomplete T"); delete p; } }; namespace use_vtable_for_vcall { struct Incomplete; struct A { virtual ~A() {} virtual void m() {} }; struct B : A { B(); virtual void m() { } virtual void m2() { static_cast<A *>(this)->m(); } OwnPtr<Incomplete> m_sqlError; }; void f() { // Since B's constructor is declared out of line, nothing in this file // references a vtable, so the destructor doesn't get built. A *b = new B(); b->m(); delete b; } } namespace dont_mark_qualified_vcall { struct Incomplete; struct A { virtual ~A() {} virtual void m() {} }; struct B : A { B(); // Previously we would mark B's vtable referenced to devirtualize this call to // A::m, even though it's not a virtual call. virtual void m() { A::m(); } OwnPtr<Incomplete> m_sqlError; }; B *f() { return new B(); } } |