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// I, Howard Hinnant, hereby place this code in the public domain.

// Test overload resolution among reference types

// { dg-do compile }

// { dg-options "-std=c++0x" }

template  struct sa;

template <> struct sa {};

struct one   {char x[1];};

struct two   {char x[2];};

struct three {char x[3];};

struct four  {char x[4];};

struct five  {char x[5];};

struct six   {char x[6];};

struct seven {char x[7];};

struct eight {char x[8];};

struct A

{

    A();

    A(const volatile A&&);

};

               A    source();

const          A  c_source();

      volatile A  v_source();

const volatile A cv_source();

// 1 at a time

one   sink_1_1(               A&);  // { dg-error "" }

int test1_1()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_1(ca);           // { dg-error "invalid initialization" }

    sink_1_1(va);           // { dg-error "invalid initialization" }

    sink_1_1(cva);          // { dg-error "invalid initialization" }

    sink_1_1(source());     // { dg-error "invalid initialization" }

    sink_1_1(c_source());   // { dg-error "invalid initialization" }

    sink_1_1(v_source());   // { dg-error "invalid initialization" }

    sink_1_1(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

two   sink_1_2(const          A&);  // { dg-error "" }

int test1_2()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_2(va);           // { dg-error "invalid initialization" }

    sink_1_2(cva);          // { dg-error "invalid initialization" }

    sink_1_2(v_source());   // { dg-error "invalid initialization" }

    sink_1_2(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

three sink_1_3(volatile       A&);  // { dg-error "" }

int test1_3()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_3(ca);           // { dg-error "invalid initialization" }

    sink_1_3(cva);          // { dg-error "invalid initialization" }

    sink_1_3(source());     // { dg-error "invalid initialization" }

    sink_1_3(c_source());   // { dg-error "invalid initialization" }

    sink_1_3(v_source());   // { dg-error "invalid initialization" }

    sink_1_3(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

four  sink_1_4(const volatile A&);  // { dg-error "" }

int test1_4()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_4(source());     // { dg-error "invalid initialization" }

    sink_1_4(c_source());   // { dg-error "invalid initialization" }

    sink_1_4(v_source());   // { dg-error "invalid initialization" }

    sink_1_4(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

five  sink_1_5(               A&&);  // { dg-error "" }

int test1_5()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_5(a);                // { dg-error "lvalue" }

    sink_1_5(ca);           // { dg-error "invalid initialization" }

    sink_1_5(va);           // { dg-error "invalid initialization" }

    sink_1_5(cva);          // { dg-error "invalid initialization" }

    sink_1_5(c_source());   // { dg-error "invalid initialization" }

    sink_1_5(v_source());   // { dg-error "invalid initialization" }

    sink_1_5(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

six   sink_1_6(const          A&&);  // { dg-error "" }

int test1_6()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_6(a);                // { dg-error "lvalue" }

    sink_1_6(ca);               // { dg-error "lvalue" }

    sink_1_6(va);           // { dg-error "invalid initialization" }

    sink_1_6(cva);          // { dg-error "invalid initialization" }

    sink_1_6(v_source());   // { dg-error "invalid initialization" }

    sink_1_6(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

seven sink_1_7(volatile       A&&);  // { dg-error "" }

int test1_7()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_7(a);            // { dg-error "lvalue" }

    sink_1_7(ca);           // { dg-error "invalid initialization" }

    sink_1_7(va);           // { dg-error "lvalue" }

    sink_1_7(cva);          // { dg-error "invalid initialization" }

    sink_1_7(c_source());   // { dg-error "invalid initialization" }

    sink_1_7(cv_source());  // { dg-error "invalid initialization" }

    return 0;

}

eight sink_1_8(const volatile A&&); // { dg-error "" }

int test1_8()

{

                   A a;

    const          A ca = a;

          volatile A va;

    const volatile A cva = a;

    sink_1_8(a);                // { dg-error "lvalue" }

    sink_1_8(ca);               // { dg-error "lvalue" }

    sink_1_8(va);               // { dg-error "lvalue" }

    sink_1_8(cva);              // { dg-error "lvalue" }

    return 0;

}

int main()

{

    return test1_1() + test1_2() + test1_3() + test1_5() +

           test1_6() + test1_7();

}