forked from OSchip/llvm-project
79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
// RUN: %python %S/check_clang_tidy.py %s misc-move-constructor-init %t
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template <class T> struct remove_reference {typedef T type;};
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template <class T> struct remove_reference<T&> {typedef T type;};
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template <class T> struct remove_reference<T&&> {typedef T type;};
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template <typename T>
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typename remove_reference<T>::type&& move(T&& arg) {
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return static_cast<typename remove_reference<T>::type&&>(arg);
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}
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struct C {
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C() = default;
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C(const C&) = default;
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};
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struct B {
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B() {}
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B(const B&) {}
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B(B &&) {}
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};
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struct D : B {
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D() : B() {}
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D(const D &RHS) : B(RHS) {}
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// CHECK-MESSAGES: :[[@LINE+3]]:16: warning: move constructor initializes base class by calling a copy constructor [misc-move-constructor-init]
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// CHECK-MESSAGES: 19:3: note: copy constructor being called
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// CHECK-MESSAGES: 20:3: note: candidate move constructor here
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D(D &&RHS) : B(RHS) {}
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};
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struct E : B {
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E() : B() {}
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E(const E &RHS) : B(RHS) {}
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E(E &&RHS) : B(move(RHS)) {} // ok
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};
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struct F {
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C M;
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F(F &&) : M(C()) {} // ok
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};
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struct G {
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G() = default;
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G(const G&) = default;
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G(G&&) = delete;
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};
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struct H : G {
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H() = default;
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H(const H&) = default;
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H(H &&RHS) : G(RHS) {} // ok
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};
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struct I {
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I(const I &) = default; // suppresses move constructor creation
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};
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struct J : I {
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J(J &&RHS) : I(RHS) {} // ok
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};
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struct K {}; // Has implicit copy and move constructors, is trivially copyable
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struct L : K {
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L(L &&RHS) : K(RHS) {} // ok
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};
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struct M {
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B Mem;
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// CHECK-MESSAGES: :[[@LINE+1]]:16: warning: move constructor initializes class member by calling a copy constructor [misc-move-constructor-init]
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M(M &&RHS) : Mem(RHS.Mem) {}
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};
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struct N {
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B Mem;
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N(N &&RHS) : Mem(move(RHS.Mem)) {}
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};
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