| 1 | // RUN: %clang_cc1 -std=c++17 -verify %s |
|---|---|
| 2 | // expected-no-diagnostics |
| 3 | |
| 4 | template<typename T> struct A { |
| 5 | template<typename U> struct B { |
| 6 | B(...); |
| 7 | }; |
| 8 | template<typename U> B(U) -> B<U>; |
| 9 | }; |
| 10 | A<void>::B b = 123; |
| 11 | |
| 12 | using T = decltype(b); |
| 13 | using T = A<void>::B<int>; |
| 14 |