1 // { dg-do compile { target c++11 } }
2 // { dg-options "" }
3
4 struct A { int i; long j; int k : 2; char l; } a;
5 int c[2];
getB6 struct B { template<int I> int &get () { return c[I]; } } b;
7 namespace std {
8 template<typename T> struct tuple_size;
9 template<int, typename> struct tuple_element;
10 }
11 template<> struct std::tuple_size<B> { static constexpr int value = 2; };
12 template<int I> struct std::tuple_element<I,B> { typedef int type; };
13
14 auto [ aa, bb, cc, dd ] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
15 // { dg-final { scan-assembler "_ZDC2aa2bb2cc2ddE" } }
16 const auto & [ e, f, g, h ] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
17 // { dg-final { scan-assembler "_ZDC1e1f1g1hE" } }
18 auto [ ee, ff ] = b; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
19 // { dg-final { scan-assembler "_ZDC2ee2ffE" } }
20 auto & [ gg, hh ] = b; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
21 // { dg-final { scan-assembler "_ZDC2gg2hhE" } }
22 namespace N
23 {
24 namespace M
25 {
26 auto [ i, j, k, l ] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
27 // { dg-final { scan-assembler "_ZN1N1MDC1i1j1k1lEE" } }
28 auto & [ m, n, o, ppp ] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
29 // { dg-final { scan-assembler "_ZN1N1MDC1m1n1o3pppEE" } }
30 auto [ ii, jj ] = b; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
31 // { dg-final { scan-assembler "_ZN1N1MDC2ii2jjEE" } }
32 // { dg-final { scan-assembler "_ZN1N1M2iiE" } }
33 // { dg-final { scan-assembler "_ZN1N1M2jjE" } }
34 auto & [ mm, nn ] = b; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
35 // { dg-final { scan-assembler "_ZN1N1MDC2mm2nnEE" } }
36 // { dg-final { scan-assembler "_ZN1N1M2mmE" } }
37 // { dg-final { scan-assembler "_ZN1N1M2nnE" } }
38 }
39 }
40 namespace std
41 {
42 auto [ i2, j2, k2, l2 ] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
43 // { dg-final { scan-assembler "_ZStDC2i22j22k22l2E" } }
44 auto [ vv, ww ] = b; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
45 // { dg-final { scan-assembler "_ZStDC2vv2wwE" } }
46 // { dg-final { scan-assembler "_ZSt2vv" } }
47 // { dg-final { scan-assembler "_ZSt2ww" } }
48 }
49 namespace
50 {
51 auto [ v, w, x, y ] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
52 }
53