forked from OSchip/llvm-project
59 lines
1.0 KiB
C++
59 lines
1.0 KiB
C++
// RUN: %clang_cc1 %s -fsyntax-only -verify -Wweak-vtables
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struct A { // expected-warning {{'A' has no out-of-line virtual method definitions; its vtable will be emitted in every translation unit}}
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virtual void f() { }
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};
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template<typename T> struct B {
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virtual void f() { }
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};
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namespace {
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struct C {
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virtual void f() { }
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};
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}
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void f() {
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struct A {
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virtual void f() { }
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};
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A *a;
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a->f();
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}
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// Use the vtables
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void uses(A &a, B<int> &b, C &c) {
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a.f();
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b.f();
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c.f();
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}
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// <rdar://problem/9979458>
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class Parent {
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public:
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Parent() {}
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virtual ~Parent();
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virtual void * getFoo() const = 0;
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};
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class Derived : public Parent {
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public:
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Derived();
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void * getFoo() const;
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};
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class VeryDerived : public Derived { // expected-warning{{'VeryDerived' has no out-of-line virtual method definitions; its vtable will be emitted in every translation unit}}
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public:
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void * getFoo() const { return 0; }
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};
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Parent::~Parent() {}
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void uses(Parent &p, Derived &d, VeryDerived &vd) {
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p.getFoo();
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d.getFoo();
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vd.getFoo();
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}
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