forked from OSchip/llvm-project
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++11 %s -verify
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// expected-no-diagnostics
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// C++98 [class.copy]p10 / C++11 [class.copy]p18.
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// The implicitly-declared copy assignment operator for a class X will have the form
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// X& X::operator=(const X&)
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// if [every direct subobject] has a copy assignment operator whose first parameter is
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// of type 'const volatile[opt] T &' or 'T'. Otherwise, it will have the form
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// X &X::operator=(X&)
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struct ConstCopy {
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ConstCopy &operator=(const ConstCopy &);
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};
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struct NonConstCopy {
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NonConstCopy &operator=(NonConstCopy &);
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};
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struct DeletedConstCopy {
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DeletedConstCopy &operator=(const DeletedConstCopy &) = delete;
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};
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struct DeletedNonConstCopy {
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DeletedNonConstCopy &operator=(DeletedNonConstCopy &) = delete;
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};
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struct ImplicitlyDeletedConstCopy {
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ImplicitlyDeletedConstCopy &operator=(ImplicitlyDeletedConstCopy &&);
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};
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struct ByValueCopy {
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ByValueCopy &operator=(ByValueCopy);
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};
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struct AmbiguousConstCopy {
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AmbiguousConstCopy &operator=(const AmbiguousConstCopy&);
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AmbiguousConstCopy &operator=(AmbiguousConstCopy);
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};
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struct A : ConstCopy {};
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struct B : NonConstCopy { ConstCopy a; };
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struct C : ConstCopy { NonConstCopy a; };
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struct D : DeletedConstCopy {};
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struct E : DeletedNonConstCopy {};
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struct F { ImplicitlyDeletedConstCopy a; };
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struct G : virtual B {};
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struct H : ByValueCopy {};
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struct I : AmbiguousConstCopy {};
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struct Test {
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friend A &A::operator=(const A &);
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friend B &B::operator=(B &);
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friend C &C::operator=(C &);
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friend D &D::operator=(const D &);
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friend E &E::operator=(E &);
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friend F &F::operator=(const F &);
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friend G &G::operator=(G &);
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friend H &H::operator=(const H &);
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friend I &I::operator=(const I &);
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};
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