llvm-project/clang/test/SemaCXX/PR27037.cpp

// RUN: %clang_cc1 -fsyntax-only -verify %s

struct A {
  void f();
};

struct B : A {};

void m() {
  const B b;
  (b.*&B::f)();  // expected-error{{drops 'const' qualifier}}
  ((&b)->*&B::f)();  // expected-error{{drops 'const' qualifier}}
}