clang/test/SemaCXX/cxx2a-pointer-to-const-ref-member.cpp

   1 // RUN: %clang_cc1 -std=c++2a %s -verify
   2
   3 struct X {
   4   void ref() & {} // expected-note{{'ref' declared here}}
   5   void cref() const& {}
   6   void cvref() const volatile & {} // expected-note{{'cvref' declared here}}
   7 };
   8
   9 void test() {
  10   X{}.ref(); // expected-error{{'this' argument to member function 'ref' is an rvalue, but function has non-const lvalue ref-qualifier}}
  11   X{}.cref(); // expected-no-error
  12   X{}.cvref(); // expected-error{{'this' argument to member function 'cvref' is an rvalue, but function has non-const lvalue ref-qualifier}}
  13
  14   (X{}.*&X::ref)(); // expected-error-re{{pointer-to-member function type 'void (X::*)() {{.*}}&' can only be called on an lvalue}}
  15   (X{}.*&X::cref)(); // expected-no-error
  16   (X{}.*&X::cvref)(); // expected-error-re{{pointer-to-member function type 'void (X::*)() {{.*}}&' can only be called on an lvalue}}
  17 }