33 lines
733 B
C++
33 lines
733 B
C++
// RUN: %clang_cc1 -std=c++11 -verify %s
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struct A {
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constexpr A(const int&) : rval(false) {}
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constexpr A(const int&&) : rval(true) {}
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bool rval;
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};
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struct B : A {
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using A::A;
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};
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constexpr int k = 0;
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constexpr A a0{0};
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constexpr A a1{k};
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constexpr B b0{0};
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// This performs static_cast<(const int&)&&>(k), so calls the A(const int&)
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// constructor.
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constexpr B b1{k};
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static_assert(a0.rval && !a1.rval && b0.rval && !b1.rval, "");
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struct C {
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template<typename T> constexpr C(T t) : v(t) {}
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int v;
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};
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struct D : C {
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using C::C;
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};
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static_assert(D(123).v == 123, "");
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// FIXME: This diagnostic sucks.
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template<typename T> constexpr D::D(T t) : C(t) {} // expected-error {{definition of implicitly declared function}}
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