| // RUN: %clang_cc1 -fsyntax-only -std=c++17 -pedantic -verify %s |
| // RUN: %clang_cc1 -fsyntax-only -std=c++2a -Wc++17-compat-pedantic -verify %s |
| |
| struct A {}; |
| int (A::*pa)() const&; |
| int use_pa = (A().*pa)(); |
| #if __cplusplus <= 201703L |
| // expected-warning@-2 {{invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension}} |
| #else |
| // expected-warning@-4 {{invoking a pointer to a 'const &' member function on an rvalue is incompatible with C++ standards before C++2a}} |
| #endif |
| |
| struct B { |
| void b() { |
| (void) [=, this] {}; |
| #if __cplusplus <= 201703L |
| // expected-warning@-2 {{explicit capture of 'this' with a capture default of '=' is a C++2a extension}} |
| #else |
| // expected-warning@-4 {{explicit capture of 'this' with a capture default of '=' is incompatible with C++ standards before C++2a}} |
| #endif |
| } |
| |
| int n : 5 = 0; |
| #if __cplusplus <= 201703L |
| // expected-warning@-2 {{default member initializer for bit-field is a C++2a extension}} |
| #else |
| // expected-warning@-4 {{default member initializer for bit-field is incompatible with C++ standards before C++2a}} |
| #endif |
| }; |