| // PR c++/79457 | |
| // { dg-do compile { target c++11 } } | |
| template <typename T> | |
| class Foo | |
| { | |
| private: | |
| T& goo; | |
| template <typename R> | |
| using S = decltype (goo[R ()]); | |
| public: | |
| Foo (T& goo) : goo {goo} {} | |
| template <typename R> | |
| S<R> boo () {} | |
| }; | |
| int | |
| main () | |
| { | |
| int bar[] = {1, 2, 3}; | |
| Foo<decltype (bar)> foo {bar}; | |
| } |