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