32 lines
911 B
C++
32 lines
911 B
C++
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// RUN: %clang_cc1 %s -triple x86_64-unknown-linux -fno-rtti-data -fsyntax-only -verify
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namespace std {
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struct type_info {};
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} // namespace std
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class B {
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public:
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virtual ~B() = default;
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};
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class D1 : public B {
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public:
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~D1() = default;
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};
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void f() {
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B *b = new D1();
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auto d = dynamic_cast<D1 *>(b); // expected-warning{{dynamic_cast will not work since RTTI data is disabled by -fno-rtti-data}}
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void *v = dynamic_cast<void *>(b);
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(void)typeid(int);
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(void)typeid(b);
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(void)typeid(*b); // expected-warning{{typeid will not work since RTTI data is disabled by -fno-rtti-data}}
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B b2 = *b;
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(void)typeid(b2);
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(void)typeid(*&b2); // expected-warning{{typeid will not work since RTTI data is disabled by -fno-rtti-data}}
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(void)typeid((B &)b2);
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B &br = b2;
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(void)typeid(br); // expected-warning{{typeid will not work since RTTI data is disabled by -fno-rtti-data}}
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(void)typeid(&br);
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}
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