diff options
Diffstat (limited to 'clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp')
| -rw-r--r-- | clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp b/clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp index 3f2bc569edf..6e9b45903d3 100644 --- a/clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp +++ b/clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp @@ -1,12 +1,28 @@ -// RUN: %clang_cc1 -verify %s -std=c++11 -// RUN: %clang_cc1 -verify %s -std=c++17 -// RUN: %clang_cc1 -verify %s -std=c++2a +// RUN: %clang_cc1 -verify=expected,pre2a %s -std=c++11 +// RUN: %clang_cc1 -verify=expected,pre2a %s -std=c++17 +// RUN: %clang_cc1 -verify=expected %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}} + // -- be a special member function [C++2a: or a comparison operator function], + A(int) = default; +#if __cplusplus <= 201703L + // expected-error@-2 {{only special member functions may be defaulted}} +#else + // expected-error@-4 {{only special member functions and comparison operators may be defaulted}} +#endif A(A) = default; // expected-error {{must pass its first argument by reference}} + void f(A) = default; // expected-error-re {{only special member functions{{( and comparison operators)?}} may be defaulted}} + + bool operator==(const A&) const = default; // pre2a-warning {{defaulted comparison operators are a C++20 extension}} + bool operator!=(const A&) const = default; // pre2a-warning {{defaulted comparison operators are a C++20 extension}} + bool operator<(const A&) const = default; // pre2a-error {{only special member functions may be defaulted}} + bool operator>(const A&) const = default; // pre2a-error {{only special member functions may be defaulted}} + bool operator<=(const A&) const = default; // pre2a-error {{only special member functions may be defaulted}} + bool operator>=(const A&) const = default; // pre2a-error {{only special member functions may be defaulted}} + bool operator<=>(const A&) const = default; // pre2a-error 1+{{}} pre2a-warning {{'<=>' is a single token in C++2a}} + + A operator+(const A&) const = default; // expected-error-re {{only special member functions{{( and comparison operators)?}} may be defaulted}} // -- have the same declared function type as if it had been implicitly // declared |
