llvm-project/clang/test/SemaCXX/member-operator-expr.cpp

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

class X {
public:
  int operator++();
  operator int();
};

void test() {
  X x;
  int i;

  i = x.operator++();
  i = x.operator int();
  x.operator--(); // expected-error{{no member named 'operator--'}}
  x.operator float(); // expected-error{{no member named 'operator float'}}
  x.operator; // expected-error{{expected a type}}
}

void test2() {
  X *x;
  int i;

  i = x->operator++();
  i = x->operator int();
  x->operator--(); // expected-error{{no member named 'operator--'}}
  x->operator float(); // expected-error{{no member named 'operator float'}}
  x->operator; // expected-error{{expected a type}}
}

namespace pr13157 {
  class A { public: void operator()(int x, int y = 2, ...) {} };
  void f() { A()(1); }
}