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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();

// 6 at a time

one   sink_6_123456(               A&);  // { dg-message "one sink_6_123456|no known conversion" }

two   sink_6_123456(const          A&);  // { dg-message "note" }

three sink_6_123456(volatile       A&);  // { dg-message "note" }

four  sink_6_123456(const volatile A&);  // { dg-message "note" }

five  sink_6_123456(               A&&);  // { dg-message "note" }

six   sink_6_123456(const          A&&);  // { dg-message "note" }

int test6_123456()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123456(v_source());   // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 46 }

    sink_6_123456(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 48 }

    return 0;

}

one   sink_6_123457(               A&);  // { dg-message "one sink_6_123457|no known conversion" }

two   sink_6_123457(const          A&);  // { dg-message "note" }

three sink_6_123457(volatile       A&);  // { dg-message "note" }

four  sink_6_123457(const volatile A&);  // { dg-message "note" }

five  sink_6_123457(               A&&);  // { dg-message "note" }

seven sink_6_123457(volatile       A&&);  // { dg-message "note" }

int test6_123457()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123457(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 66 }

    return 0;

}

two   sink_6_235678(const          A&);  // { dg-message "note" }

three sink_6_235678(volatile       A&);  // { dg-message "note" }

five  sink_6_235678(               A&&);  // { dg-message "note" }

six   sink_6_235678(const          A&&);  // { dg-message "note" }

seven sink_6_235678(volatile       A&&);  // { dg-message "note" }

eight sink_6_235678(const volatile A&&);  // { dg-message "" }

int test6_235678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_235678(a);  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 84 }

    sink_6_235678(cva);         // { dg-error "lvalue" }

    return 0;

}

two   sink_6_234678(const          A&);  // { dg-message "note" }

three sink_6_234678(volatile       A&);  // { dg-message "note" }

four  sink_6_234678(const volatile A&);  // { dg-message "note" }

six   sink_6_234678(const          A&&);  // { dg-message "note" }

seven sink_6_234678(volatile       A&&);  // { dg-message "note" }

eight sink_6_234678(const volatile A&&);  // { dg-message "note" }

int test6_234678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_234678(a);         // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 103 }

    sink_6_234678(source());  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 105 }

    return 0;

}

two   sink_6_234578(const          A&);  // { dg-message "note" }

three sink_6_234578(volatile       A&);  // { dg-message "note" }

four  sink_6_234578(const volatile A&);  // { dg-message "note" }

five  sink_6_234578(               A&&);  // { dg-message "note" }

seven sink_6_234578(volatile       A&&);  // { dg-message "note" }

eight sink_6_234578(const volatile A&&);  // { dg-message "note" }

int test6_234578()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_234578(a);  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 123 }

    return 0;

}

two   sink_6_234568(const          A&);  // { dg-message "note" }

three sink_6_234568(volatile       A&);  // { dg-message "note" }

four  sink_6_234568(const volatile A&);  // { dg-message "note" }

five  sink_6_234568(               A&&);  // { dg-message "note" }

six   sink_6_234568(const          A&&);  // { dg-message "note" }

eight sink_6_234568(const volatile A&&);  // { dg-message "note" }

int test6_234568()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_234568(a);  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 141 }

    return 0;

}

two   sink_6_234567(const          A&);  // { dg-message "two sink_6_234567|no known conversion" }

three sink_6_234567(volatile       A&);  // { dg-message "note" }

four  sink_6_234567(const volatile A&);  // { dg-message "note" }

five  sink_6_234567(               A&&);  // { dg-message "note" }

six   sink_6_234567(const          A&&);  // { dg-message "note" }

seven sink_6_234567(volatile       A&&);  // { dg-message "note" }

int test6_234567()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_234567(a);            // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 159 }

    sink_6_234567(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 161 }

    return 0;

}

one   sink_6_134678(               A&);

three sink_6_134678(volatile       A&);

four  sink_6_134678(const volatile A&);

six   sink_6_134678(const          A&&);  // { dg-message "note" }

seven sink_6_134678(volatile       A&&);  // { dg-message "note" }

eight sink_6_134678(const volatile A&&);  // { dg-message "note" }

int test6_134678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_134678(source());  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 179 }

    return 0;

}

one   sink_6_124678(               A&);

two   sink_6_124678(const          A&);  // { dg-message "note" }

four  sink_6_124678(const volatile A&);

six   sink_6_124678(const          A&&);  // { dg-message "note" }

seven sink_6_124678(volatile       A&&);  // { dg-message "note" }

eight sink_6_124678(const volatile A&&);  // { dg-message "note" }

int test6_124678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_124678(source());  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 197 }

    return 0;

}

one   sink_6_123678(               A&);

two   sink_6_123678(const          A&);  // { dg-message "note" }

three sink_6_123678(volatile       A&);

six   sink_6_123678(const          A&&);  // { dg-message "note" }

seven sink_6_123678(volatile       A&&);  // { dg-message "note" }

eight sink_6_123678(const volatile A&&);  // { dg-message "" }

int test6_123678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123678(cva);         // { dg-error "lvalue" }

    sink_6_123678(source());  // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 216 }

    return 0;

}

one   sink_6_123567(               A&);  // { dg-message "one sink_6_123567|no known conversion" }

two   sink_6_123567(const          A&);  // { dg-message "note" }

three sink_6_123567(volatile       A&);  // { dg-message "note" }

five  sink_6_123567(               A&&);  // { dg-message "note" }

six   sink_6_123567(const          A&&);  // { dg-message "note" }

seven sink_6_123567(volatile       A&&);  // { dg-message "note" }

int test6_123567()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123567(cva);          // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 234 }

    sink_6_123567(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 236 }

    return 0;

}

one   sink_6_123568(               A&);

two   sink_6_123568(const          A&);

three sink_6_123568(volatile       A&);

five  sink_6_123568(               A&&);

six   sink_6_123568(const          A&&);

eight sink_6_123568(const volatile A&&); // { dg-message "" }

int test6_123568()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123568(cva); // { dg-error "lvalue" }

    return 0;

}

one   sink_6_123578(               A&);

two   sink_6_123578(const          A&);

three sink_6_123578(volatile       A&);

five  sink_6_123578(               A&&);

seven sink_6_123578(volatile       A&&);

eight sink_6_123578(const volatile A&&); // { dg-message "" }

int test6_123578()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123578(cva);         // { dg-error "lvalue" }

    return 0;

}

one   sink_6_123467(               A&);  // { dg-message "one sink_6_123467|no known conversion" }

two   sink_6_123467(const          A&);  // { dg-message "note" }

three sink_6_123467(volatile       A&);  // { dg-message "note" }

four  sink_6_123467(const volatile A&);  // { dg-message "note" }

six   sink_6_123467(const          A&&);  // { dg-message "note" }

seven sink_6_123467(volatile       A&&);  // { dg-message "note" }

int test6_123467()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_123467(source());     // { dg-error "ambiguous" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 288 }

    sink_6_123467(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 290 }

    return 0;

}

one   sink_6_124567(               A&);  // { dg-message "one sink_6_124567|no known conversion" }

two   sink_6_124567(const          A&);  // { dg-message "note" }

four  sink_6_124567(const volatile A&);  // { dg-message "note" }

five  sink_6_124567(               A&&);  // { dg-message "note" }

six   sink_6_124567(const          A&&);  // { dg-message "note" }

seven sink_6_124567(volatile       A&&);  // { dg-message "note" }

int test6_124567()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_124567(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 308 }

    return 0;

}

one   sink_6_125678(               A&);

two   sink_6_125678(const          A&);

five  sink_6_125678(               A&&);

six   sink_6_125678(const          A&&);

seven sink_6_125678(volatile       A&&); // { dg-message "" }

eight sink_6_125678(const volatile A&&); // { dg-message "" }

int test6_125678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_125678(va);          // { dg-error "lvalue" }

    sink_6_125678(cva);         // { dg-error "lvalue" }

    return 0;

}

one   sink_6_134567(               A&);  // { dg-message "one sink_6_134567|no known conversion" }

three sink_6_134567(volatile       A&);  // { dg-message "note" }

four  sink_6_134567(const volatile A&);  // { dg-message "note" }

five  sink_6_134567(               A&&);  // { dg-message "note" }

six   sink_6_134567(const          A&&);  // { dg-message "note" }

seven sink_6_134567(volatile       A&&);  // { dg-message "note" }

int test6_134567()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_134567(cv_source());  // { dg-error "no match" }

    // { dg-message "candidate" "candidate note" { target *-*-* } 344 }

    return 0;

}

one   sink_6_135678(               A&);

three sink_6_135678(volatile       A&);

five  sink_6_135678(               A&&);

six   sink_6_135678(const          A&&); // { dg-message "" }

seven sink_6_135678(volatile       A&&);

eight sink_6_135678(const volatile A&&); // { dg-message "" }

int test6_135678()

{

                   A a;

    const          A ca = a; // { dg-error "deleted" }

          volatile A va;

    const volatile A cva = a; // { dg-error "deleted" }

    sink_6_135678(ca);          // { dg-error "lvalue" }

    sink_6_135678(cva);         // { dg-error "lvalue" }

    return 0;

}

int main()

{

    return test6_235678() + test6_234678() + test6_234578() + test6_234568() +

           test6_234567() + test6_134678() + test6_124678() + test6_123678() +

           test6_123567();

}