1 // I, Howard Hinnant, hereby place this code in the public domain.
3 // Test overload resolution among reference types
6 // { dg-options "-std=c++0x" }
8 template <bool> struct sa;
9 template <> struct sa<true> {};
11 struct one {char x[1];};
12 struct two {char x[2];};
13 struct three {char x[3];};
14 struct four {char x[4];};
15 struct five {char x[5];};
16 struct six {char x[6];};
17 struct seven {char x[7];};
18 struct eight {char x[8];};
23 A(const volatile A&&); // { dg-error "argument 1" }
28 volatile A v_source();
29 const volatile A cv_source();
33 one sink_7_1234567( A&); // { dg-message "candidates" }
34 two sink_7_1234567(const A&); // { dg-message "note" }
35 three sink_7_1234567(volatile A&); // { dg-message "note" }
36 four sink_7_1234567(const volatile A&); // { dg-message "note" }
37 five sink_7_1234567( A&&); // { dg-message "note" }
38 six sink_7_1234567(const A&&); // { dg-message "note" }
39 seven sink_7_1234567(volatile A&&); // { dg-message "note" }
44 const A ca = a; // { dg-error "lvalue" }
46 const volatile A cva = a; // { dg-error "lvalue" }
47 sink_7_1234567(cv_source()); // { dg-error "no match" }
51 one sink_7_1235678( A&);
52 two sink_7_1235678(const A&);
53 three sink_7_1235678(volatile A&);
54 five sink_7_1235678( A&&);
55 six sink_7_1235678(const A&&);
56 seven sink_7_1235678(volatile A&&);
57 eight sink_7_1235678(const volatile A&&); // { dg-message "" }
62 const A ca = a; // { dg-error "lvalue" }
64 const volatile A cva = a; // { dg-error "lvalue" }
65 sink_7_1235678(cva); // { dg-error "lvalue" }
69 two sink_7_2345678(const A&); // { dg-message "candidates" }
70 three sink_7_2345678(volatile A&); // { dg-message "note" }
71 four sink_7_2345678(const volatile A&); // { dg-message "note" }
72 five sink_7_2345678( A&&); // { dg-message "note" }
73 six sink_7_2345678(const A&&); // { dg-message "note" }
74 seven sink_7_2345678(volatile A&&); // { dg-message "note" }
75 eight sink_7_2345678(const volatile A&&); // { dg-message "note" }
80 const A ca = a; // { dg-error "lvalue" }
82 const volatile A cva = a; // { dg-error "lvalue" }
83 sink_7_2345678(a); // { dg-error "ambiguous" }
87 one sink_7_1234678( A&);
88 two sink_7_1234678(const A&); // { dg-message "candidates" }
89 three sink_7_1234678(volatile A&);
90 four sink_7_1234678(const volatile A&);
91 six sink_7_1234678(const A&&); // { dg-message "note" }
92 seven sink_7_1234678(volatile A&&); // { dg-message "note" }
93 eight sink_7_1234678(const volatile A&&); // { dg-message "note" }
98 const A ca = a; // { dg-error "lvalue" }
100 const volatile A cva = a; // { dg-error "lvalue" }
101 sink_7_1234678(source()); // { dg-error "ambiguous" }
107 return test7_2345678() + test7_1234678();