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

// FIXME: embellish

namespace test0 {
  namespace A {
    class Foo {
    };

    void foo(const Foo &foo);
  }

  class Test {
    enum E { foo = 0 };

    void test() {
      foo(A::Foo()); // expected-error {{not a function}}
    }
  };
}

// If X contains [...] then Y is empty.
// - a declaration of a class member
namespace test_adl_suppression_by_class_member {
  namespace N {
    struct T {};
    void f(T); // expected-note {{declared here}}
  }
  struct S {
    void f();
    void test() {
      N::T t;
      f(t); // expected-error {{too many arguments}}
    }
  };
}

// - a block-scope function declaration that is not a using-declaration
namespace test_adl_suppression_by_block_scope {
  namespace N {
    struct S {};
    void f(S);
  }
  namespace M { void f(int); } // expected-note 2{{candidate}}
  void test1() {
    N::S s;
    using M::f;
    f(s); // ok
  }

  void test2() {
    N::S s;
    extern void f(char); // expected-note {{passing argument to parameter here}}
    f(s); // expected-error {{no viable conversion from 'N::S' to 'char'}}
  }

  void test3() {
    N::S s;
    extern void f(char); // expected-note {{candidate}}
    using M::f;
    f(s); // expected-error {{no matching function}}
  }

  void test4() {
    N::S s;
    using M::f;
    extern void f(char); // expected-note {{candidate}}
    f(s); // expected-error {{no matching function}}
  }

}

// - a declaration that is neither a function nor a function template
namespace test_adl_suppression_by_non_function {
  namespace N {
    struct S {};
    void f(S);
  }
  void test() {
    extern void (*f)();
    N::S s;
    f(s); // expected-error {{too many arguments}}
  }
}
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