1 // I, Howard Hinnant, hereby place this code in the public domain.
2 
3 // Test overload resolution among reference types
4 
5 // { dg-do compile { target c++11 } }
6 // { dg-skip-if "packed attribute missing for struct one/three/five/seven" { "epiphany-*-*" } }
7 
8 template <bool> struct sa;
9 template <> struct sa<true> {};
10 
11 struct one   {long x[1];};
12 struct two   {long x[2];};
13 struct three {long x[3];};
14 struct four  {long x[4];};
15 struct five  {long x[5];};
16 struct six   {long x[6];};
17 struct seven {long x[7];};
18 struct eight {long x[8];};
19 
20 struct A
21 {
22     A();
23     A(const volatile A&&);
24 };
25 
26                A    source();
27 const          A  c_source();
28       volatile A  v_source(); // { dg-warning "deprecated" "" { target c++2a } }
29 const volatile A cv_source(); // { dg-warning "deprecated" "" { target c++2a } }
30 
31 // 8 at a time
32 
33 one   sink_8_12345678(               A&);
34 two   sink_8_12345678(const          A&);
35 three sink_8_12345678(volatile       A&);
36 four  sink_8_12345678(const volatile A&);
37 five  sink_8_12345678(               A&&);
38 six   sink_8_12345678(const          A&&);
39 seven sink_8_12345678(volatile       A&&);
40 eight sink_8_12345678(const volatile A&&);
41 
42 int test8_12345678()
43 {
44                    A a;
45     const          A ca;
46           volatile A va;
47     const volatile A cva;
48     sa<sizeof(sink_8_12345678(a))           == 1 * sizeof(long)> t1;
49     sa<sizeof(sink_8_12345678(ca))          == 2 * sizeof(long)> t2;
50     sa<sizeof(sink_8_12345678(va))          == 3 * sizeof(long)> t3;
51     sa<sizeof(sink_8_12345678(cva))         == 4 * sizeof(long)> t4;
52     sa<sizeof(sink_8_12345678(source()))    == 5 * sizeof(long)> t5;
53     sa<sizeof(sink_8_12345678(c_source()))  == 6 * sizeof(long)> t6;
54     sa<sizeof(sink_8_12345678(v_source()))  == 7 * sizeof(long)> t7;
55     sa<sizeof(sink_8_12345678(cv_source())) == 8 * sizeof(long)> t8;
56     return 0;
57 }
58 
59 int main()
60 {
61     return test8_12345678();
62 }
63