diff options
Diffstat (limited to 'test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp')
-rw-r--r-- | test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp b/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp index 51993307cfff..3f2bc569edf6 100644 --- a/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp +++ b/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp @@ -1,15 +1,30 @@ // RUN: %clang_cc1 -verify %s -std=c++11 +// RUN: %clang_cc1 -verify %s -std=c++17 +// RUN: %clang_cc1 -verify %s -std=c++2a // A function that is explicitly defaulted shall struct A { // -- be a special member function, A(int) = default; // expected-error {{only special member functions may be defaulted}} + A(A) = default; // expected-error {{must pass its first argument by reference}} // -- have the same declared function type as if it had been implicitly // declared void operator=(const A &) = default; // expected-error {{must return 'A &'}} - A(...) = default; // expected-error {{cannot be variadic}} - A(const A &, ...) = default; // expected-error {{cannot be variadic}} + A(...) = default; + A(const A &, ...) = default; + A &operator=(const A&) const = default; + A &operator=(A) const = default; // expected-error {{must be an lvalue refe}} +#if __cplusplus <= 201703L + // expected-error@-5 {{cannot be variadic}} + // expected-error@-5 {{cannot be variadic}} + // expected-error@-5 {{may not have 'const'}} + // expected-error@-5 {{may not have 'const'}} +#else + // expected-warning@-10 {{implicitly deleted}} expected-note@-10 {{declared type does not match the type of an implicit default constructor}} + // expected-warning@-10 {{implicitly deleted}} expected-note@-10 {{declared type does not match the type of an implicit copy constructor}} + // expected-warning@-10 {{implicitly deleted}} expected-note@-10 {{declared type does not match the type of an implicit copy assignment}} +#endif // (except for possibly differing ref-qualifiers A &operator=(A &&) & = default; @@ -23,3 +38,35 @@ struct A { A(double = 0.0) = default; // expected-error {{cannot have default arguments}} A(const A & = 0) = default; // expected-error {{cannot have default arguments}} }; + +struct A2 { + A2(...); + A2(const A2 &, ...); + A2 &operator=(const A2&) const; +}; +A2::A2(...) = default; // expected-error {{cannot be variadic}} +A2::A2(const A2&, ...) = default; // expected-error {{cannot be variadic}} +A2 &A2::operator=(const A2&) const = default; // expected-error {{may not have 'const'}} + +struct B { + B(B&); + B &operator=(B&); +}; +struct C : B { + C(const C&) = default; + C &operator=(const C&) = default; +#if __cplusplus <= 201703L + // expected-error@-3 {{is const, but a member or base requires it to be non-const}} + // expected-error@-3 {{is const, but a member or base requires it to be non-const}} +#else + // expected-warning@-6 {{implicitly deleted}} expected-note@-6 {{type does not match}} + // expected-warning@-6 {{implicitly deleted}} expected-note@-6 {{type does not match}} +#endif +}; + +struct D : B { // expected-note 2{{base class}} + D(const D&); + D &operator=(const D&); +}; +D::D(const D&) = default; // expected-error {{would delete}} expected-error {{is const, but}} +D &D::operator=(const D&) = default; // expected-error {{would delete}} expected-error {{is const, but}} |