llvm-project/clang/test/CXX/special/class.copy/p20.cpp

47 lines
1.6 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
struct ConstCopy {
ConstCopy();
ConstCopy &operator=(const ConstCopy&);
};
struct NonConstCopy {
NonConstCopy();
NonConstCopy &operator=(NonConstCopy&);
};
struct VirtualInheritsNonConstCopy : virtual NonConstCopy {
VirtualInheritsNonConstCopy();
VirtualInheritsNonConstCopy &operator=(const VirtualInheritsNonConstCopy&);
};
struct ImplicitNonConstCopy1 : NonConstCopy { // expected-note{{the implicit copy assignment operator}}
ImplicitNonConstCopy1();
};
struct ImplicitNonConstCopy2 { // expected-note{{the implicit copy assignment operator}}
ImplicitNonConstCopy2();
NonConstCopy ncc;
};
struct ImplicitNonConstCopy3 { // expected-note{{the implicit copy assignment operator}}
ImplicitNonConstCopy3();
NonConstCopy ncc_array[2][3];
};
struct ImplicitNonConstCopy4 : VirtualInheritsNonConstCopy {
ImplicitNonConstCopy4();
};
void test_non_const_copy(const ImplicitNonConstCopy1 &cincc1,
const ImplicitNonConstCopy2 &cincc2,
const ImplicitNonConstCopy3 &cincc3,
const ImplicitNonConstCopy4 &cincc4,
const VirtualInheritsNonConstCopy &vincc) {
(void)sizeof(ImplicitNonConstCopy1() = cincc1); // expected-error{{no viable overloaded '='}}
(void)sizeof(ImplicitNonConstCopy2() = cincc2); // expected-error{{no viable overloaded '='}}
(void)sizeof(ImplicitNonConstCopy3() = cincc3); // expected-error{{no viable overloaded '='}}
(void)sizeof(ImplicitNonConstCopy4() = cincc4); // okay
(void)sizeof(VirtualInheritsNonConstCopy() = vincc);
}